From ca379e3b981af5eefa21561853c0b7800730e097 Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Wed, 28 Jan 2026 08:33:25 +1300
Subject: [PATCH 01/36] add Different category subheading

---
 index.html | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/index.html b/index.html
index 311a64d..54d8456 100644
--- a/index.html
+++ b/index.html
@@ -235,6 +235,10 @@ <h3>Same category</h3>
   <input type="button" class="btn btn-column" value="number of records (double)" onclick="numberSelectionDoubleSame();" />
 </p>
 
+<p>
+  <h3>Different category</h3>
+</p>
+
   <textarea id="load-data" class="hide">
 conn = sqlite3.connect('data/sakila.db')
 

From 3ffe11b80d22b785f0e46c91ed3513a39d8ad353 Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Wed, 28 Jan 2026 08:35:46 +1300
Subject: [PATCH 02/36] add number of records (double) button for different
 categories

---
 index.html | 1 +
 1 file changed, 1 insertion(+)

diff --git a/index.html b/index.html
index 54d8456..5a7989e 100644
--- a/index.html
+++ b/index.html
@@ -237,6 +237,7 @@ <h3>Same category</h3>
 
 <p>
   <h3>Different category</h3>
+  <input type="button" class="btn btn-column" value="number of records (double)" onclick="numberSelectionDoubleDiff();" />
 </p>
 
   <textarea id="load-data" class="hide">

From 064dd8848a3e1c206d099caa3263879e2101c719 Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Wed, 28 Jan 2026 11:17:43 +1300
Subject: [PATCH 03/36] add number of records (double) is in button

---
 index.html | 1 +
 1 file changed, 1 insertion(+)

diff --git a/index.html b/index.html
index 5a7989e..4279617 100644
--- a/index.html
+++ b/index.html
@@ -238,6 +238,7 @@ <h3>Same category</h3>
 <p>
   <h3>Different category</h3>
   <input type="button" class="btn btn-column" value="number of records (double)" onclick="numberSelectionDoubleDiff();" />
+  <input type="button" class="btn btn-column" value="number of records (double) is in" onclick="numberSelectionDoubleDiffIsIn();" />
 </p>
 
   <textarea id="load-data" class="hide">

From 96434443ddfd953cd3e16024c04cb7746b1912a1 Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Wed, 28 Jan 2026 11:19:33 +1300
Subject: [PATCH 04/36] add numberSelectionDoubleDiff function

---
 script.js | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/script.js b/script.js
index 6781f15..5937ac4 100644
--- a/script.js
+++ b/script.js
@@ -449,3 +449,19 @@ const numberSelectionDoubleSame = () => {
       document.editor.textbox.value+="\n" + variable.value + ".loc[(" + variable.value + "[" + columnA.value + "'] == '" + groupA.value + "') " + selectionGrouping.value +  " (" + variable.value + "['" + columnA.value + "'] == '" + groupB.value + "')].shape[0]";
   }
 }
+
+const numberSelectionDoubleDiff = () => {
+  if (variable.value === "") {
+    return alert("Please enter a variable name in the 'Load data' section");
+  } else if (columnA.value === "") {
+      return alert("Please add a primary column name in the 'Column Wrangling' section.");
+  } else if (columnB.value === "") {
+      return alert("Please add a secondary column name in the 'Column Wrangling' section.");
+  } else if (groupA.value === "") {
+      return alert("Please add a category in group A.");
+  } else if (groupB.value === "") {
+      return alert("Please add a category in group B.");
+  } else {
+      document.editor.textbox.value+="\n" + variable.value + ".loc[(" + variable.value + "['" + columnA.value + "'] == '" + groupA.value + "') " + selectionGrouping.value + " (" + variable.value + "['" + columnB.value + "'] == '" + groupB.value + "')].shape[0]";
+  }
+}

From 069c066f1cbabf401b6478218bb9024ca44cd0c9 Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Wed, 28 Jan 2026 11:21:46 +1300
Subject: [PATCH 05/36] add group A input field

---
 index.html | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/index.html b/index.html
index 4279617..c4cc0e2 100644
--- a/index.html
+++ b/index.html
@@ -241,6 +241,10 @@ <h3>Different category</h3>
   <input type="button" class="btn btn-column" value="number of records (double) is in" onclick="numberSelectionDoubleDiffIsIn();" />
 </p>
 
+<p>
+  <input class="btn" name="groupA" id="groupA" placeholder="group A" size="10" type="textfield" />
+</p>
+
   <textarea id="load-data" class="hide">
 conn = sqlite3.connect('data/sakila.db')
 

From 9f1436dceaf5d4c7013611eeb6cca9e1b0d0757b Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Wed, 28 Jan 2026 11:23:47 +1300
Subject: [PATCH 06/36] add selectionGrouping select

---
 index.html | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/index.html b/index.html
index c4cc0e2..8b2d95b 100644
--- a/index.html
+++ b/index.html
@@ -243,6 +243,10 @@ <h3>Different category</h3>
 
 <p>
   <input class="btn" name="groupA" id="groupA" placeholder="group A" size="10" type="textfield" />
+  <select id="selectionGrouping" name="selectionGrouping">
+    <option value="&">and</option>
+    <option value="|">or</option>
+  </select>
 </p>
 
   <textarea id="load-data" class="hide">

From eb3b16d2225ea94ad7fcd7029679bf06fca666d5 Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Wed, 28 Jan 2026 11:28:32 +1300
Subject: [PATCH 07/36] add group B input field

---
 index.html | 1 +
 1 file changed, 1 insertion(+)

diff --git a/index.html b/index.html
index 8b2d95b..3203023 100644
--- a/index.html
+++ b/index.html
@@ -247,6 +247,7 @@ <h3>Different category</h3>
     <option value="&">and</option>
     <option value="|">or</option>
   </select>
+  <input class="btn" name="groupB" id="groupB" placeholder="group B" size="10" type="textfield" />
 </p>
 
   <textarea id="load-data" class="hide">

From 08be3bbd4340528b90273cf9aea8bc940e5332a4 Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Wed, 28 Jan 2026 11:36:05 +1300
Subject: [PATCH 08/36] add numberSelectionDoubleDiffIsIn function

---
 script.js | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/script.js b/script.js
index 5937ac4..bac29e8 100644
--- a/script.js
+++ b/script.js
@@ -465,3 +465,19 @@ const numberSelectionDoubleDiff = () => {
       document.editor.textbox.value+="\n" + variable.value + ".loc[(" + variable.value + "['" + columnA.value + "'] == '" + groupA.value + "') " + selectionGrouping.value + " (" + variable.value + "['" + columnB.value + "'] == '" + groupB.value + "')].shape[0]";
   }
 }
+
+const numberSelectionDoubleDiffIsIn = () => {
+  if (variable.value === "") {
+    return alert("Please enter a variable name in the 'Load data' section");
+  } else if (columnA.value === "") {
+      return alert("Please add a primary column name in the 'Column Wrangling' section.");
+  } else if (columnB.value === "") {
+      return alert("Please add a secondary column name in the 'Column Wrangling' section.");
+  } else if (groupA.value === "") {
+      return alert("Please add a category in group A.");
+  } else if (groupB.value === "") {
+      return alert("Please add a category in group B.");
+  } else {
+      document.editor.textbox.value+="\n" + variable.value + ".loc[(" + variable.value + "['" + columnA.value + "'] == '" + groupA.value + "') " + selectionGrouping.value + " (" + variable.value + "['" + columnB.value + "'].isin([" + groupB.value.split(',').map(el => `'${el.replace(' ', '')}'`).join().replaceAll(',', ', ') + "]" + "))].shape[0]";
+  }
+}

From 5a333219341fdae6b360979964c78a6a92ca6f3d Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Wed, 28 Jan 2026 11:42:44 +1300
Subject: [PATCH 09/36] update message for new column

---
 script.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/script.js b/script.js
index bac29e8..2851a1d 100644
--- a/script.js
+++ b/script.js
@@ -359,7 +359,7 @@ const percentageSelection = () => {
   } else if (groupA.value === "") {
       return alert("Please add a category in group A.");
   } else if (newColumn.value === "") {
-      return alert("Please add a new column name.");
+      return alert("Please add a column name in the 'new column' field in the 'Column Wrangling' section.");
   } else if (selectionPercentage.value === "") {
       return alert("Please select a percentage.");
   } else {

From ffad48a03582daabc9885e3bbc1c00df254e389f Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Wed, 28 Jan 2026 11:48:35 +1300
Subject: [PATCH 10/36] messaging for other occurrences of new column

---
 script.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/script.js b/script.js
index 2851a1d..5c6bb07 100644
--- a/script.js
+++ b/script.js
@@ -231,7 +231,7 @@ const columnWrangle = (stat) => {
   if (variable.value === '') {
     return alert("Please enter a variable name in the 'Load data' section");
   } else if (newColumn.value === "") {
-      return alert("Please add a new column name.");
+      return alert("Please add a column name in the 'new column' field in the 'Column Wrangling' section.");
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'Column Wrangling' section.");
   } else if (columnB.value === "") {
@@ -245,7 +245,7 @@ const columnPlot = (stat) => {
   if (variable.value === "") {
       return alert("Please enter a variable name in the 'Load data' section");
   } else if (newColumn.value === "") {
-      return alert("Please add a new column name.");
+      return alert("Please add a column name in the 'new column' field in the 'Column Wrangling' section.");
   } else {
       document.editor.textbox.value+='\n' + variable.value + '[\'' + newColumn.value + '\'].plot(kind=\'' + stat + '\', figsize=(14,6))';
   }
@@ -319,7 +319,7 @@ const meanSelection = () => {
   } else if (groupB.value === "") {
       return alert("Please add a category in group B.");
   } else if (newColumn.value === "") {
-      return alert("Please add a new column name.");
+      return alert("Please add a column name in the 'new column' field in the 'Column Wrangling' section.");
   } else {
       document.editor.textbox.value+="\n" + variable.value + ".loc[(" + variable.value + "['" + columnA.value + "'] == '" + groupA.value + "') & (" + variable.value + "['" + columnB.value + "'] == '" + groupB.value + "'), '" + newColumn.value + "'].mean()";
   }
@@ -416,7 +416,7 @@ const valueCountSelection = () => {
   } else if (groupA.value === "") {
       return alert("Please add a category in group A.");
   } else if (newColumn.value === "") {
-      return alert("Please add a new column name.");
+      return alert("Please add a column name in the 'new column' field in the 'Column Wrangling' section.");
   } else if (selectionPercentage.value === "") {
       return alert("Please select a percentage.");
   } else {

From 4d5aa59e8914940459625fb3224541066cb46558 Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 13:08:17 +1300
Subject: [PATCH 11/36] update message for variable

---
 script.js | 58 +++++++++++++++++++++++++++----------------------------
 1 file changed, 29 insertions(+), 29 deletions(-)

diff --git a/script.js b/script.js
index 5c6bb07..0de20bc 100644
--- a/script.js
+++ b/script.js
@@ -5,7 +5,7 @@ let loadData = document.getElementById("load-data");
 
 const data = (stat) => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else {
       document.editor.textbox.value+= "\n" + document.editor.variable.value + "." + stat;
   }
@@ -19,7 +19,7 @@ let mostValueCounts = document.getElementById("mostValueCounts");
 
 const describe = (stat) => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else {
       document.editor.textbox.value+= column.value === "" ? "\n" + document.editor.variable.value + "." + stat + "()\n" : "\n" + document.editor.variable.value + "['" + document.editor.column.value + "']." + stat + "()\n";
   }
@@ -27,7 +27,7 @@ const describe = (stat) => {
 
 const meanMedian = (stat) => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (column.value === "") {
       return alert("Please add a column name in the 'Numerical analysis and visualisation' section.");
   } else {
@@ -37,7 +37,7 @@ const meanMedian = (stat) => {
 
 const analyseBox = (stat) => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section.");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (column.value === "") {
       return alert("Please add a column name in the 'Numerical analysis and visualisation' section.");
   } else if (axis.value !== "") {
@@ -49,7 +49,7 @@ const analyseBox = (stat) => {
 
 const densityHist = (stat) => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section.");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (column.value === "") {
       return alert("Please add a column name in the 'Numerical analysis and visualisation' section.");
   } else if (axis.value !== "") {
@@ -61,7 +61,7 @@ const densityHist = (stat) => {
 
 const colour = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section.");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (analysis === undefined) {
       return alert("Please select an analysis type.");
   } else if (column.value === "") {
@@ -95,7 +95,7 @@ const axisLabel = (stat) => {
 // Categorical analysis and visualisation
 const categoricalValueCounts = (stat) => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section.");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (column.value === "") {
       return alert("Please add a column name.");
   } else {
@@ -110,7 +110,7 @@ const categoricalValueCounts = (stat) => {
 
 const categoricalBar = (stat) => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section.");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (column.value === "") {
       return alert("Please add a column name.");
   } else {
@@ -125,7 +125,7 @@ const categoricalBar = (stat) => {
 
 const categoricalPie = (stat) => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section.");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (column.value === "") {
       return alert("Please add a column name.");
   } else {
@@ -168,7 +168,7 @@ const matshow = (stat) => {
 
 const scatters = (stat) => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section.");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (scatterX.value === "") {
       return alert("Please enter a value in the 'scatter x' field.");
   } else if (scatterY.value === "") {
@@ -180,7 +180,7 @@ const scatters = (stat) => {
 
 const boxPlot = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section.");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (plots.value === "") {
       return alert("Please enter at least one category into the 'boxplot categories' field.");
   } else if (boxPlotAxis.value === "") {
@@ -192,7 +192,7 @@ const boxPlot = () => {
 
 const boxPlotGrouped = () => {
   if (variable.value === '') {
-    return alert("Please enter a variable name in the 'Load data' section.");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (boxPlotCategory.value === '') {
       return alert("Please enter a category in the 'category' field to the right.");
   } else if (boxPlotCategoryValue.value === '') {
@@ -210,7 +210,7 @@ const boxPlotGrouped = () => {
 
 const box = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section.");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (plots.value === "") {
       return alert("Please enter at least one category into the 'boxplot categories' field.");
   } else {
@@ -229,7 +229,7 @@ const columnWrangle = (stat) => {
   }
 
   if (variable.value === '') {
-    return alert("Please enter a variable name in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (newColumn.value === "") {
       return alert("Please add a column name in the 'new column' field in the 'Column Wrangling' section.");
   } else if (columnA.value === "") {
@@ -243,7 +243,7 @@ const columnWrangle = (stat) => {
 
 const columnPlot = (stat) => {
   if (variable.value === "") {
-      return alert("Please enter a variable name in the 'Load data' section");
+      return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (newColumn.value === "") {
       return alert("Please add a column name in the 'new column' field in the 'Column Wrangling' section.");
   } else {
@@ -268,7 +268,7 @@ let modify = document.getElementById("modify");
 
 const columnWrangleModify = (stat) => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'Column Wrangling' section.");
   } else if (modify.value === "") {
@@ -283,7 +283,7 @@ const columnWrangleModify = (stat) => {
 // Selection and indexing
 const individualSelection = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'Column Wrangling' section.");
   } else if (columnB.value === "") {
@@ -295,7 +295,7 @@ const individualSelection = () => {
 
 const groupSelectionMean = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
@@ -309,7 +309,7 @@ const groupSelectionMean = () => {
 
 const meanSelection = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
@@ -327,7 +327,7 @@ const meanSelection = () => {
 
 const meanMaxSelection = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (mostValueCounts.value === "") {
       return alert("Please add a number in the 'Categorical analysis and visualisation' section.");
   } else if (columnA.value === "") {
@@ -341,7 +341,7 @@ const meanMaxSelection = () => {
 
 const meanMinSelection = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (mostValueCounts.value === "") {
       return alert("Please add a number in the 'Categorical analysis and visualisation' section.");
   } else if (columnB.value === "") {
@@ -353,7 +353,7 @@ const meanMinSelection = () => {
 
 const percentageSelection = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
@@ -392,7 +392,7 @@ const percentageSelection = () => {
 
 const maxSelection = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else {
       document.editor.textbox.value+="\n" + variable.value + ".loc[" + variable.value + "['"   + columnA.value + "'] == " + variable.value + "['"   + columnA.value + "'].max()]";
   }
@@ -400,7 +400,7 @@ const maxSelection = () => {
 
 const sort = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (mostValueCounts.value === "") {
       return alert("Please add a number in the 'Categorical analysis and visualisation' section.");
   } else {
@@ -410,7 +410,7 @@ const sort = () => {
 
 const valueCountSelection = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
@@ -426,7 +426,7 @@ const valueCountSelection = () => {
 
 const numberSelectionSingle = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
@@ -438,7 +438,7 @@ const numberSelectionSingle = () => {
 
 const numberSelectionDoubleSame = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
@@ -452,7 +452,7 @@ const numberSelectionDoubleSame = () => {
 
 const numberSelectionDoubleDiff = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'Column Wrangling' section.");
   } else if (columnB.value === "") {
@@ -468,7 +468,7 @@ const numberSelectionDoubleDiff = () => {
 
 const numberSelectionDoubleDiffIsIn = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'Column Wrangling' section.");
   } else if (columnB.value === "") {

From 9376c61bc47d5051bbde1ed168e848fc3a382388 Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 13:11:57 +1300
Subject: [PATCH 12/36] update message for column field

---
 script.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/script.js b/script.js
index 0de20bc..ef21b04 100644
--- a/script.js
+++ b/script.js
@@ -29,7 +29,7 @@ const meanMedian = (stat) => {
   if (variable.value === "") {
     return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (column.value === "") {
-      return alert("Please add a column name in the 'Numerical analysis and visualisation' section.");
+      return alert("Please add a column name in the 'column' field, in the 'Numerical analysis and visualisation' section.");
   } else {
       document.editor.textbox.value+= "\n" + variable.value + "['" + column.value + "']." + stat + "()";
   }
@@ -39,7 +39,7 @@ const analyseBox = (stat) => {
   if (variable.value === "") {
     return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (column.value === "") {
-      return alert("Please add a column name in the 'Numerical analysis and visualisation' section.");
+      return alert("Please add a column name in the 'column' field, in the 'Numerical analysis and visualisation' section.");
   } else if (axis.value !== "") {
       document.editor.textbox.value+= "\n" + axis.value + " = " + variable.value + "['" + column.value + "'].plot(kind='" + stat + "', vert=False, figsize=(14,6))";
   } else {
@@ -51,7 +51,7 @@ const densityHist = (stat) => {
   if (variable.value === "") {
     return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (column.value === "") {
-      return alert("Please add a column name in the 'Numerical analysis and visualisation' section.");
+      return alert("Please add a column name in the 'column' field, in the 'Numerical analysis and visualisation' section.");
   } else if (axis.value !== "") {
       document.editor.textbox.value+= "\n" + axis.value + " = " + variable.value + "['" + column.value + "'].plot(kind='" + stat + "', figsize=(14,6))";
   } else {
@@ -65,7 +65,7 @@ const colour = () => {
   } else if (analysis === undefined) {
       return alert("Please select an analysis type.");
   } else if (column.value === "") {
-      return alert("Please add a column name in the 'Numerical analysis and visualisation' section.");
+      return alert("Please add a column name in the 'column' field, in the 'Numerical analysis and visualisation' section.");
   } else if (axis.value === "") {
       return alert("Please add an axis name in the 'Numerical analysis and visualisation' section.");
   } else {

From 8ab07a83a84756332cdcf85f28a9da496953e274 Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 13:18:29 +1300
Subject: [PATCH 13/36] update message for axis

---
 script.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/script.js b/script.js
index ef21b04..a8528b2 100644
--- a/script.js
+++ b/script.js
@@ -67,7 +67,7 @@ const colour = () => {
   } else if (column.value === "") {
       return alert("Please add a column name in the 'column' field, in the 'Numerical analysis and visualisation' section.");
   } else if (axis.value === "") {
-      return alert("Please add an axis name in the 'Numerical analysis and visualisation' section.");
+      return alert("Please enter an axis name in the 'axis' field, in the 'Numerical analysis and visualisation' section.");
   } else {
       document.editor.textbox.value+='\n' + document.editor.axis.value + '.axvline(' + document.editor.variable.value + '[\'' + document.editor.column.value + '\'].' + analysis + '(), color=\'' + document.editor.colours.value + '\')'
   }
@@ -84,7 +84,7 @@ const round = () => {
 
 const axisLabel = (stat) => {
   if (axis.value === "") {
-      return alert("Please enter an axis name in the axis field.");
+      return alert("Please enter an axis name in the 'axis' field, in the 'Numerical analysis and visualisation' section.");
   } else if (label.value === '') {
     return alert("Please enter a label name in the label field to the right.");
   } else {

From 92555f8720bee61920cf4872efa8d9a1d4e7367a Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 15:32:05 +1300
Subject: [PATCH 14/36] update message for number

---
 script.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/script.js b/script.js
index a8528b2..7724496 100644
--- a/script.js
+++ b/script.js
@@ -75,7 +75,7 @@ const colour = () => {
 
 const round = () => {
   if (mostValueCounts.value === "") {
-    return alert("Please add a number in the 'Categorical analysis and visualisation' section.");
+    return alert("Please add a number in the 'number' field, in the 'Categorical analysis and visualisation' section.");
   } else {
     
       document.editor.textbox.value+='.round(' + mostValueCounts.value + ')';
@@ -329,7 +329,7 @@ const meanMaxSelection = () => {
   if (variable.value === "") {
     return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (mostValueCounts.value === "") {
-      return alert("Please add a number in the 'Categorical analysis and visualisation' section.");
+      return alert("Please add a number in the 'number' field, in the 'Categorical analysis and visualisation' section.");
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'Column Wrangling' section.");
   } else if (columnB.value === "") {
@@ -343,7 +343,7 @@ const meanMinSelection = () => {
   if (variable.value === "") {
     return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (mostValueCounts.value === "") {
-      return alert("Please add a number in the 'Categorical analysis and visualisation' section.");
+      return alert("Please add a number in the 'number' field, in the 'Categorical analysis and visualisation' section.");
   } else if (columnB.value === "") {
       return alert("Please add a secondary column name in the 'Column Wrangling' section.");
   } else {
@@ -402,7 +402,7 @@ const sort = () => {
   if (variable.value === "") {
     return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (mostValueCounts.value === "") {
-      return alert("Please add a number in the 'Categorical analysis and visualisation' section.");
+      return alert("Please add a number in the 'number' field, in the 'Categorical analysis and visualisation' section.");
   } else {
       document.editor.textbox.value+="\n" + variable.value + ".sort_values(['" + columnA.value + "'], ascending=False).head(" + mostValueCounts.value + ")";
   }

From eb33cf1d45e886a00d454fe22ad7dc0c69fad733 Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 15:35:33 +1300
Subject: [PATCH 15/36] update message for label

---
 script.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/script.js b/script.js
index 7724496..c41932b 100644
--- a/script.js
+++ b/script.js
@@ -86,7 +86,7 @@ const axisLabel = (stat) => {
   if (axis.value === "") {
       return alert("Please enter an axis name in the 'axis' field, in the 'Numerical analysis and visualisation' section.");
   } else if (label.value === '') {
-    return alert("Please enter a label name in the label field to the right.");
+    return alert("Please enter a label name in the 'label' field, in the 'Numerical analysis and visualisation' section.");
   } else {
       document.editor.textbox.value+= "\n" + document.editor.axis.value + ".set_" + stat.replace(" ", "") + "('" + document.editor.label.value + "')";
   }

From 6e5f2ef4cd9f03afc30c2a7fbfe7bca32ef161c4 Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 15:52:30 +1300
Subject: [PATCH 16/36] update scatter x and y message

---
 script.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/script.js b/script.js
index c41932b..5c94665 100644
--- a/script.js
+++ b/script.js
@@ -170,9 +170,9 @@ const scatters = (stat) => {
   if (variable.value === "") {
     return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (scatterX.value === "") {
-      return alert("Please enter a value in the 'scatter x' field.");
+      return alert("Please enter a value in the 'scatter x' field, in the 'Correlation between columns' section.");
   } else if (scatterY.value === "") {
-      return alert("Please enter a value in the 'scatter y' field.");
+      return alert("Please enter a value in the 'scatter y' field, in the 'Correlation between columns' section.");
   } else {
       return document.editor.textbox.value+='\n' + document.editor.variable.value + '.plot(kind=\'' + stat + '\', x=\'' + document.editor.scatterX.value + '\', y=\'' + document.editor.scatterY.value + '\', figsize=(6,6))';
   }

From 3f2faed96f706a4b0ba0bfb160a44838a5a56549 Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 15:56:20 +1300
Subject: [PATCH 17/36] update correlation and figure message

---
 script.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/script.js b/script.js
index 5c94665..7ae3908 100644
--- a/script.js
+++ b/script.js
@@ -158,9 +158,9 @@ let groupB = document.getElementById("groupB");
 
 const matshow = (stat) => {
   if (correlation.value === "") {
-    return alert('Please enter a name in the correlation field.');
+    return alert("Please enter a name in the 'correlation field', in the 'Correlation between columns' section.");
   } else if (figure.value === "") {
-      return alert('Please enter a name in the figure field.');
+      return alert("Please enter a name in the 'figure' field, in the 'Correlation between columns' section.');
   } else {
       document.editor.textbox.value+='\nplt.' + stat + '(' + document.editor.correlation.value + ', cmap=\'RdBu\', fignum=' + document.editor.figure.value + '.number)'
   }
@@ -253,7 +253,7 @@ const columnPlot = (stat) => {
 
 const columnScatter = (stat) => {
   if (variable.value === '') {
-    return alert('Please enter a variable name in the \'Load data\' section');
+    return alert("Please enter a variable name in the 'Load data' section");
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'Column Wrangling' section.");
   } else if (scatterAxis.value === "") {

From ae096394ddea016bc68ed60fa8e243978563f13f Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 16:17:32 +1300
Subject: [PATCH 18/36] update message for boxplot catergories

---
 script.js | 36 ++++++++++++++++++------------------
 1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/script.js b/script.js
index 7ae3908..68d9e34 100644
--- a/script.js
+++ b/script.js
@@ -69,7 +69,7 @@ const colour = () => {
   } else if (axis.value === "") {
       return alert("Please enter an axis name in the 'axis' field, in the 'Numerical analysis and visualisation' section.");
   } else {
-      document.editor.textbox.value+='\n' + document.editor.axis.value + '.axvline(' + document.editor.variable.value + '[\'' + document.editor.column.value + '\'].' + analysis + '(), color=\'' + document.editor.colours.value + '\')'
+      document.editor.textbox.value+="\n" + document.editor.axis.value + ".axvline(" + document.editor.variable.value + "['" + document.editor.column.value + "']." + analysis + "(), color='" + document.editor.colours.value + "')";
   }
 }
 
@@ -101,9 +101,9 @@ const categoricalValueCounts = (stat) => {
   } else {
      let head = mostValueCounts.value;
      if (head) {
-      document.editor.textbox.value+='\n' + variable.value + '[\'' + column.value + '\'].' + stat.replace(' ', '_') + '().head(' + head + ')';
+      document.editor.textbox.value+="\n" + variable.value + "['" + column.value + "']." + stat.replace(' ', '_') + "().head(" + head + ")";
      } else {
-        document.editor.textbox.value+='\n' + variable.value + '[\'' + column.value + '\'].' + stat.replace(' ', '_') + '()'
+        document.editor.textbox.value+="\n" + variable.value + "['" + column.value + "']." + stat.replace(' ', '_') + "()";
      }
   }
 }
@@ -116,9 +116,9 @@ const categoricalBar = (stat) => {
   } else {
      let head = mostValueCounts.value;
      if (head) {
-      document.editor.textbox.value+='\n' + variable.value + '[\'' + column.value + '\'].value_counts().head(' + head + ').plot(kind=\'' + stat + '\', figsize=(14,6))';
+      document.editor.textbox.value+="\n" + variable.value + "['" + column.value + "'].value_counts().head(" + head + ").plot(kind='" + stat + "', figsize=(14,6))";
      } else {
-      document.editor.textbox.value+='\n' + variable.value + '[\'' + column.value + '\'].value_counts().plot(kind=\'' + stat + '\', figsize=(14,6))';
+      document.editor.textbox.value+="\n" + variable.value + "['" + column.value + "'].value_counts().plot(kind='" + stat + "', figsize=(14,6))";
      }
   }
 }
@@ -131,9 +131,9 @@ const categoricalPie = (stat) => {
   } else {
      let head = mostValueCounts.value;
      if (head) {
-      document.editor.textbox.value+='\n' + variable.value + '[\'' + column.value + '\'].value_counts().head(' + head + ').plot(kind=\'' + stat + '\', figsize=(6,6))';
+      document.editor.textbox.value+="\n" + variable.value + "['" + column.value + "'].value_counts().head(" + head + ").plot(kind='" + stat + "', figsize=(6,6))";
      } else {
-        document.editor.textbox.value+='\n' + variable.value + '[\'' + column.value + '\'].value_counts().plot(kind=\'' + stat + '\', figsize=(6,6))';
+        document.editor.textbox.value+="\n" + variable.value + "['" + column.value + "'].value_counts().plot(kind='" + stat + "', figsize=(6,6))";
      }
   }
 }
@@ -162,7 +162,7 @@ const matshow = (stat) => {
   } else if (figure.value === "") {
       return alert("Please enter a name in the 'figure' field, in the 'Correlation between columns' section.');
   } else {
-      document.editor.textbox.value+='\nplt.' + stat + '(' + document.editor.correlation.value + ', cmap=\'RdBu\', fignum=' + document.editor.figure.value + '.number)'
+      document.editor.textbox.value+="\nplt." + stat + "(" + document.editor.correlation.value + ", cmap='RdBu', fignum=" + document.editor.figure.value + ".number)";
   }
 }
 
@@ -174,7 +174,7 @@ const scatters = (stat) => {
   } else if (scatterY.value === "") {
       return alert("Please enter a value in the 'scatter y' field, in the 'Correlation between columns' section.");
   } else {
-      return document.editor.textbox.value+='\n' + document.editor.variable.value + '.plot(kind=\'' + stat + '\', x=\'' + document.editor.scatterX.value + '\', y=\'' + document.editor.scatterY.value + '\', figsize=(6,6))';
+      return document.editor.textbox.value+="\n" + document.editor.variable.value + ".plot(kind='" + stat + "', x='" + document.editor.scatterX.value + "', y='" + document.editor.scatterY.value + "', figsize=(6,6))";
   }
 }
 
@@ -182,11 +182,11 @@ const boxPlot = () => {
   if (variable.value === "") {
     return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (plots.value === "") {
-      return alert("Please enter at least one category into the 'boxplot categories' field.");
+      return alert("Please enter at least one category into the 'boxplot categories' field, in the 'Correlation between columns' section.");
   } else if (boxPlotAxis.value === "") {
       return alert("Please enter a name in the 'boxplot axis' field.");
   } else {
-      return document.editor.textbox.value+= '\n' + boxPlotAxis.value + ' = ' + document.editor.variable.value + '[[' + document.editor.boxplotCats.value.split(',').map(el => `'${el.replace(' ', '')}'`).join().replaceAll(',', ', ') + ']].boxplot(by=\'' + document.editor.boxplotCats.value.split(',')[document.editor.boxplotCats.value.split(',').length - 1].replace(' ', '') + '\', figsize=(14,6))\n' + boxPlotAxis.value + '.set_ylabel(\'' + document.editor.boxplotCats.value.split(',')[0] + '\')';
+      return document.editor.textbox.value+="\n" + boxPlotAxis.value + " = " + document.editor.variable.value + "[[" + document.editor.boxplotCats.value.split(',').map(el => `'${el.replace(' ', '')}'`).join().replaceAll(',', ', ') + "]].boxplot(by='" + document.editor.boxplotCats.value.split(',')[document.editor.boxplotCats.value.split(',').length - 1].replace(' ', '') + "', figsize=(14,6))\n" + boxPlotAxis.value + ".set_ylabel('" + document.editor.boxplotCats.value.split(',')[0] + "')";
   }
 }
 
@@ -212,9 +212,9 @@ const box = () => {
   if (variable.value === "") {
     return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (plots.value === "") {
-      return alert("Please enter at least one category into the 'boxplot categories' field.");
+      return alert("Please enter at least one category into the 'boxplot categories' field, in the 'Correlation between columns' section.");
   } else {
-      return document.editor.textbox.value+= '\n' + document.editor.variable.value + '[[' + document.editor.boxplotCats.value.split(',').map(el => `'${el.replace(' ', '')}'`) + ']].plot(kind=\'box\', subplots=True, layout=(2,3), figsize=(14,8))';
+      return document.editor.textbox.value+="\n" + document.editor.variable.value + "[[" + document.editor.boxplotCats.value.split(',').map(el => `'${el.replace(' ', '')}'`) + "]].plot(kind='box', subplots=True, layout=(2,3), figsize=(14,8))";
   }
 }
 
@@ -237,7 +237,7 @@ const columnWrangle = (stat) => {
   } else if (columnB.value === "") {
       return alert("Please add a secondary column name in the 'Column Wrangling' section.");
   } else {
-      document.editor.textbox.value+='\n' + variable.value + '[\'' + newColumn.value + '\'] = ' + variable.value + '[\'' + columnA.value + '\'] ' + stat + ' ' + variable.value + '[\'' + columnB.value + '\']\n' + variable.value + '[\'' + newColumn.value + '\'].head()' + '\n' + variable.value + '[\'' + newColumn.value + '\'].plot(kind=\'hist\',' + bin + ' figsize=(14,6))';
+      document.editor.textbox.value+="\n" + variable.value + "['" + newColumn.value + "'] = " + variable.value + "['" + columnA.value + "'] " + stat + " " + variable.value + "['" + columnB.value + "']\n" + variable.value + "['" + newColumn.value + "'].head()" + "\n" + variable.value + "['" + newColumn.value + "'].plot(kind='hist'," + bin + " figsize=(14,6))";
   }
 }
 
@@ -247,7 +247,7 @@ const columnPlot = (stat) => {
   } else if (newColumn.value === "") {
       return alert("Please add a column name in the 'new column' field in the 'Column Wrangling' section.");
   } else {
-      document.editor.textbox.value+='\n' + variable.value + '[\'' + newColumn.value + '\'].plot(kind=\'' + stat + '\', figsize=(14,6))';
+      document.editor.textbox.value+="\n" + variable.value + "['" + newColumn.value + "'].plot(kind='" + stat + "', figsize=(14,6))";
   }
 }
 
@@ -259,7 +259,7 @@ const columnScatter = (stat) => {
   } else if (scatterAxis.value === "") {
       return alert("Please add a scatter column name.");
   } else {
-      document.editor.textbox.value+='\n' + variable.value + '.plot(kind=\'' + stat + '\', x=\'' + columnA.value + '\', y=\'' + scatterAxis.value + '\', figsize=(6,6))';
+      document.editor.textbox.value+="\n" + variable.value + ".plot(kind='" + stat + "', x='" + columnA.value + "', y='" + scatterAxis.value + "', figsize=(6,6))";
   }
 }
 
@@ -276,7 +276,7 @@ const columnWrangleModify = (stat) => {
   } else if (!Number(modify.value) && Number(modify.value) != "0") {
       return alert("Please add a valid number in the modify field to the right.");
   } else {
-      document.editor.textbox.value+='\n' + variable.value + '[\'' + columnA.value + '\'] ' + stat + '= ' + modify.value + '\n' + variable.value + '[\'' + columnA.value + '\'].head()';
+      document.editor.textbox.value+="\n" + variable.value + "['" + columnA.value + "'] " + stat + "= " + modify.value + "\n" + variable.value + "['" + columnA.value + "'].head()";
   }
 }
 
@@ -303,7 +303,7 @@ const groupSelectionMean = () => {
   } else if (groupB.value === "") {
       return alert("Please add a category in group B.");
   } else {
-      document.editor.textbox.value+='\n' + variable.value + '.loc[' + variable.value + '[\'' + columnA.value + '\'] == \'' + groupA.value + '\', \'' + groupB.value + '\'].mean()';
+      document.editor.textbox.value+="\n" + variable.value + ".loc[" + variable.value + "['" + columnA.value + "'] == '" + groupA.value + "', '" + groupB.value + "'].mean()";
   }
 }
 

From 57218ec9844fe59ce3a66bcc4aa50fecce2952ed Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 16:20:12 +1300
Subject: [PATCH 19/36] update message for category

---
 script.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/script.js b/script.js
index 68d9e34..07d43b6 100644
--- a/script.js
+++ b/script.js
@@ -194,7 +194,7 @@ const boxPlotGrouped = () => {
   if (variable.value === '') {
     return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (boxPlotCategory.value === '') {
-      return alert("Please enter a category in the 'category' field to the right.");
+      return alert("Please enter a category in the 'category' field, in the 'Correlation between columns' section.");
   } else if (boxPlotCategoryValue.value === '') {
       return alert("Please enter a category value in the 'value' field to the right.");
   } else if (boxPlotCategoryColumnA.value === '') {

From 8a8fa03c84ba88c04e895216b6b2a069ed6b5df2 Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 16:22:52 +1300
Subject: [PATCH 20/36] update message for other occurrences of column

---
 script.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/script.js b/script.js
index 07d43b6..ac55fe3 100644
--- a/script.js
+++ b/script.js
@@ -97,7 +97,7 @@ const categoricalValueCounts = (stat) => {
   if (variable.value === "") {
     return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (column.value === "") {
-      return alert("Please add a column name.");
+      return alert("Please add a column name in the 'column' field, in the 'Numerical analysis and visualisation' section.");
   } else {
      let head = mostValueCounts.value;
      if (head) {
@@ -112,7 +112,7 @@ const categoricalBar = (stat) => {
   if (variable.value === "") {
     return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (column.value === "") {
-      return alert("Please add a column name.");
+      return alert("Please add a column name in the 'column' field, in the 'Numerical analysis and visualisation' section.");
   } else {
      let head = mostValueCounts.value;
      if (head) {
@@ -127,7 +127,7 @@ const categoricalPie = (stat) => {
   if (variable.value === "") {
     return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
   } else if (column.value === "") {
-      return alert("Please add a column name.");
+      return alert("Please add a column name in the 'column' field, in the 'Numerical analysis and visualisation' section.");
   } else {
      let head = mostValueCounts.value;
      if (head) {

From 7636e4e07dc8adf4b1f13f77497eadefefd1ef7d Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 16:24:48 +1300
Subject: [PATCH 21/36] update message for boxplot axis

---
 script.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/script.js b/script.js
index ac55fe3..3b90bc1 100644
--- a/script.js
+++ b/script.js
@@ -184,7 +184,7 @@ const boxPlot = () => {
   } else if (plots.value === "") {
       return alert("Please enter at least one category into the 'boxplot categories' field, in the 'Correlation between columns' section.");
   } else if (boxPlotAxis.value === "") {
-      return alert("Please enter a name in the 'boxplot axis' field.");
+      return alert("Please enter a name in the 'boxplot axis' field, in the 'Correlation between columns' section.");
   } else {
       return document.editor.textbox.value+="\n" + boxPlotAxis.value + " = " + document.editor.variable.value + "[[" + document.editor.boxplotCats.value.split(',').map(el => `'${el.replace(' ', '')}'`).join().replaceAll(',', ', ') + "]].boxplot(by='" + document.editor.boxplotCats.value.split(',')[document.editor.boxplotCats.value.split(',').length - 1].replace(' ', '') + "', figsize=(14,6))\n" + boxPlotAxis.value + ".set_ylabel('" + document.editor.boxplotCats.value.split(',')[0] + "')";
   }
@@ -202,7 +202,7 @@ const boxPlotGrouped = () => {
   } else if (boxPlotCategoryColumnB.value === '') {
       return alert("Please enter a category in the 'column B' field to the right.");
   } else if (boxPlotAxis.value === '') {
-      return alert("Please enter a name in the 'boxplot axis' field.");
+      return alert("Please enter a name in the 'boxplot axis' field, in the 'Correlation between columns' section.");
   } else {
       return document.editor.textbox.value+= "\n" + boxPlotAxis.value + " = " + variable.value + ".loc[" + variable.value + "['" + boxPlotCategory.value + "'] == " + boxPlotCategoryValue.value + ", ['" + boxPlotCategoryColumnA.value + "', '" + boxPlotCategoryColumnB.value + "']]" + "\n" + boxPlotAxis.value + ".boxplot(by='" + boxPlotCategoryColumnB.value + "', figsize=(14,6))";
   }

From df4a9241f2a778273d5f5e503c3459b578d655d9 Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 16:29:13 +1300
Subject: [PATCH 22/36] update message for scatter

---
 script.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/script.js b/script.js
index 3b90bc1..5bd47b9 100644
--- a/script.js
+++ b/script.js
@@ -257,7 +257,7 @@ const columnScatter = (stat) => {
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'Column Wrangling' section.");
   } else if (scatterAxis.value === "") {
-      return alert("Please add a scatter column name.");
+      return alert("Please add a scatter column name in the 'scatter' field, in the 'Add and calculate a new column' section.");
   } else {
       document.editor.textbox.value+="\n" + variable.value + ".plot(kind='" + stat + "', x='" + columnA.value + "', y='" + scatterAxis.value + "', figsize=(6,6))";
   }

From 3d14358497b87ef73b4c69cc08bfd3f3bbfbd288 Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 16:33:12 +1300
Subject: [PATCH 23/36] update message for column A and B

---
 script.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/script.js b/script.js
index 5bd47b9..16d6084 100644
--- a/script.js
+++ b/script.js
@@ -198,9 +198,9 @@ const boxPlotGrouped = () => {
   } else if (boxPlotCategoryValue.value === '') {
       return alert("Please enter a category value in the 'value' field to the right.");
   } else if (boxPlotCategoryColumnA.value === '') {
-      return alert("Please enter a category in the 'column A' field to the right.");
+      return alert("Please enter a category in the 'column A' field, in the 'Correlation between columns' section.");
   } else if (boxPlotCategoryColumnB.value === '') {
-      return alert("Please enter a category in the 'column B' field to the right.");
+      return alert("Please enter a category in the 'column B' field, in the 'Correlation between columns' section.");
   } else if (boxPlotAxis.value === '') {
       return alert("Please enter a name in the 'boxplot axis' field, in the 'Correlation between columns' section.");
   } else {

From 029be505ca861d0fc66699db89cd8f06584209a3 Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 16:38:29 +1300
Subject: [PATCH 24/36] update message for modify

---
 script.js | 62 +++++++++++++++++++++++++++----------------------------
 1 file changed, 31 insertions(+), 31 deletions(-)

diff --git a/script.js b/script.js
index 16d6084..009b86b 100644
--- a/script.js
+++ b/script.js
@@ -5,7 +5,7 @@ let loadData = document.getElementById("load-data");
 
 const data = (stat) => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else {
       document.editor.textbox.value+= "\n" + document.editor.variable.value + "." + stat;
   }
@@ -19,7 +19,7 @@ let mostValueCounts = document.getElementById("mostValueCounts");
 
 const describe = (stat) => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else {
       document.editor.textbox.value+= column.value === "" ? "\n" + document.editor.variable.value + "." + stat + "()\n" : "\n" + document.editor.variable.value + "['" + document.editor.column.value + "']." + stat + "()\n";
   }
@@ -27,7 +27,7 @@ const describe = (stat) => {
 
 const meanMedian = (stat) => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (column.value === "") {
       return alert("Please add a column name in the 'column' field, in the 'Numerical analysis and visualisation' section.");
   } else {
@@ -37,7 +37,7 @@ const meanMedian = (stat) => {
 
 const analyseBox = (stat) => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (column.value === "") {
       return alert("Please add a column name in the 'column' field, in the 'Numerical analysis and visualisation' section.");
   } else if (axis.value !== "") {
@@ -49,7 +49,7 @@ const analyseBox = (stat) => {
 
 const densityHist = (stat) => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (column.value === "") {
       return alert("Please add a column name in the 'column' field, in the 'Numerical analysis and visualisation' section.");
   } else if (axis.value !== "") {
@@ -61,7 +61,7 @@ const densityHist = (stat) => {
 
 const colour = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (analysis === undefined) {
       return alert("Please select an analysis type.");
   } else if (column.value === "") {
@@ -95,7 +95,7 @@ const axisLabel = (stat) => {
 // Categorical analysis and visualisation
 const categoricalValueCounts = (stat) => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (column.value === "") {
       return alert("Please add a column name in the 'column' field, in the 'Numerical analysis and visualisation' section.");
   } else {
@@ -110,7 +110,7 @@ const categoricalValueCounts = (stat) => {
 
 const categoricalBar = (stat) => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (column.value === "") {
       return alert("Please add a column name in the 'column' field, in the 'Numerical analysis and visualisation' section.");
   } else {
@@ -125,7 +125,7 @@ const categoricalBar = (stat) => {
 
 const categoricalPie = (stat) => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (column.value === "") {
       return alert("Please add a column name in the 'column' field, in the 'Numerical analysis and visualisation' section.");
   } else {
@@ -168,7 +168,7 @@ const matshow = (stat) => {
 
 const scatters = (stat) => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (scatterX.value === "") {
       return alert("Please enter a value in the 'scatter x' field, in the 'Correlation between columns' section.");
   } else if (scatterY.value === "") {
@@ -180,7 +180,7 @@ const scatters = (stat) => {
 
 const boxPlot = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (plots.value === "") {
       return alert("Please enter at least one category into the 'boxplot categories' field, in the 'Correlation between columns' section.");
   } else if (boxPlotAxis.value === "") {
@@ -192,7 +192,7 @@ const boxPlot = () => {
 
 const boxPlotGrouped = () => {
   if (variable.value === '') {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (boxPlotCategory.value === '') {
       return alert("Please enter a category in the 'category' field, in the 'Correlation between columns' section.");
   } else if (boxPlotCategoryValue.value === '') {
@@ -210,7 +210,7 @@ const boxPlotGrouped = () => {
 
 const box = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (plots.value === "") {
       return alert("Please enter at least one category into the 'boxplot categories' field, in the 'Correlation between columns' section.");
   } else {
@@ -229,7 +229,7 @@ const columnWrangle = (stat) => {
   }
 
   if (variable.value === '') {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (newColumn.value === "") {
       return alert("Please add a column name in the 'new column' field in the 'Column Wrangling' section.");
   } else if (columnA.value === "") {
@@ -243,7 +243,7 @@ const columnWrangle = (stat) => {
 
 const columnPlot = (stat) => {
   if (variable.value === "") {
-      return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+      return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (newColumn.value === "") {
       return alert("Please add a column name in the 'new column' field in the 'Column Wrangling' section.");
   } else {
@@ -268,13 +268,13 @@ let modify = document.getElementById("modify");
 
 const columnWrangleModify = (stat) => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'Column Wrangling' section.");
   } else if (modify.value === "") {
-      return alert("Please add a value in the modify field to the right.");
+      return alert("Please add a value in the 'modify' field, in the 'Modify existing column' section.");
   } else if (!Number(modify.value) && Number(modify.value) != "0") {
-      return alert("Please add a valid number in the modify field to the right.");
+      return alert("Please add a valid number in the 'modify' field, in the 'Modify existing column'.");
   } else {
       document.editor.textbox.value+="\n" + variable.value + "['" + columnA.value + "'] " + stat + "= " + modify.value + "\n" + variable.value + "['" + columnA.value + "'].head()";
   }
@@ -283,7 +283,7 @@ const columnWrangleModify = (stat) => {
 // Selection and indexing
 const individualSelection = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'Column Wrangling' section.");
   } else if (columnB.value === "") {
@@ -295,7 +295,7 @@ const individualSelection = () => {
 
 const groupSelectionMean = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
@@ -309,7 +309,7 @@ const groupSelectionMean = () => {
 
 const meanSelection = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
@@ -327,7 +327,7 @@ const meanSelection = () => {
 
 const meanMaxSelection = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (mostValueCounts.value === "") {
       return alert("Please add a number in the 'number' field, in the 'Categorical analysis and visualisation' section.");
   } else if (columnA.value === "") {
@@ -341,7 +341,7 @@ const meanMaxSelection = () => {
 
 const meanMinSelection = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (mostValueCounts.value === "") {
       return alert("Please add a number in the 'number' field, in the 'Categorical analysis and visualisation' section.");
   } else if (columnB.value === "") {
@@ -353,7 +353,7 @@ const meanMinSelection = () => {
 
 const percentageSelection = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
@@ -392,7 +392,7 @@ const percentageSelection = () => {
 
 const maxSelection = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else {
       document.editor.textbox.value+="\n" + variable.value + ".loc[" + variable.value + "['"   + columnA.value + "'] == " + variable.value + "['"   + columnA.value + "'].max()]";
   }
@@ -400,7 +400,7 @@ const maxSelection = () => {
 
 const sort = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (mostValueCounts.value === "") {
       return alert("Please add a number in the 'number' field, in the 'Categorical analysis and visualisation' section.");
   } else {
@@ -410,7 +410,7 @@ const sort = () => {
 
 const valueCountSelection = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
@@ -426,7 +426,7 @@ const valueCountSelection = () => {
 
 const numberSelectionSingle = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
@@ -438,7 +438,7 @@ const numberSelectionSingle = () => {
 
 const numberSelectionDoubleSame = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
@@ -452,7 +452,7 @@ const numberSelectionDoubleSame = () => {
 
 const numberSelectionDoubleDiff = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'Column Wrangling' section.");
   } else if (columnB.value === "") {
@@ -468,7 +468,7 @@ const numberSelectionDoubleDiff = () => {
 
 const numberSelectionDoubleDiffIsIn = () => {
   if (variable.value === "") {
-    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section");
+    return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'Column Wrangling' section.");
   } else if (columnB.value === "") {

From 0c6c6d126a213232451524001a4a61a0a686297b Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 16:48:22 +1300
Subject: [PATCH 25/36] update message for primary column

---
 script.js | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/script.js b/script.js
index 009b86b..34bd3af 100644
--- a/script.js
+++ b/script.js
@@ -233,7 +233,7 @@ const columnWrangle = (stat) => {
   } else if (newColumn.value === "") {
       return alert("Please add a column name in the 'new column' field in the 'Column Wrangling' section.");
   } else if (columnA.value === "") {
-      return alert("Please add a primary column name in the 'Column Wrangling' section.");
+      return alert("Please add a primary column name in the 'primary column' field, in the 'Column Wrangling' section.");
   } else if (columnB.value === "") {
       return alert("Please add a secondary column name in the 'Column Wrangling' section.");
   } else {
@@ -255,7 +255,7 @@ const columnScatter = (stat) => {
   if (variable.value === '') {
     return alert("Please enter a variable name in the 'Load data' section");
   } else if (columnA.value === "") {
-      return alert("Please add a primary column name in the 'Column Wrangling' section.");
+      return alert("Please add a primary column name in the 'primary column' field, in the 'Column Wrangling' section.");
   } else if (scatterAxis.value === "") {
       return alert("Please add a scatter column name in the 'scatter' field, in the 'Add and calculate a new column' section.");
   } else {
@@ -270,7 +270,7 @@ const columnWrangleModify = (stat) => {
   if (variable.value === "") {
     return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (columnA.value === "") {
-      return alert("Please add a primary column name in the 'Column Wrangling' section.");
+      return alert("Please add a primary column name in the 'primary column' field, in the 'Column Wrangling' section.");
   } else if (modify.value === "") {
       return alert("Please add a value in the 'modify' field, in the 'Modify existing column' section.");
   } else if (!Number(modify.value) && Number(modify.value) != "0") {
@@ -285,7 +285,7 @@ const individualSelection = () => {
   if (variable.value === "") {
     return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (columnA.value === "") {
-      return alert("Please add a primary column name in the 'Column Wrangling' section.");
+      return alert("Please add a primary column name in the 'primary column' field, in the 'Column Wrangling' section.");
   } else if (columnB.value === "") {
       return alert("Please add a secondary column name in the 'Column Wrangling' section.");
   } else {
@@ -297,7 +297,7 @@ const groupSelectionMean = () => {
   if (variable.value === "") {
     return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (columnA.value === "") {
-      return alert("Please add a primary column name in the 'Column Wrangling' section.");
+      return alert("Please add a primary column name in the 'primary column' field, in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
       return alert("Please add a category in group A.");
   } else if (groupB.value === "") {
@@ -311,7 +311,7 @@ const meanSelection = () => {
   if (variable.value === "") {
     return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (columnA.value === "") {
-      return alert("Please add a primary column name in the 'Column Wrangling' section.");
+      return alert("Please add a primary column name in the 'primary column' field, in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
       return alert("Please add a category in group A.");
   } else if (columnB.value === "") {
@@ -331,7 +331,7 @@ const meanMaxSelection = () => {
   } else if (mostValueCounts.value === "") {
       return alert("Please add a number in the 'number' field, in the 'Categorical analysis and visualisation' section.");
   } else if (columnA.value === "") {
-      return alert("Please add a primary column name in the 'Column Wrangling' section.");
+      return alert("Please add a primary column name in the 'primary column' field, in the 'Column Wrangling' section.");
   } else if (columnB.value === "") {
       return alert("Please add a secondary column name in the 'Column Wrangling' section.");
   } else {
@@ -355,7 +355,7 @@ const percentageSelection = () => {
   if (variable.value === "") {
     return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (columnA.value === "") {
-      return alert("Please add a primary column name in the 'Column Wrangling' section.");
+      return alert("Please add a primary column name in the 'primary column' field, in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
       return alert("Please add a category in group A.");
   } else if (newColumn.value === "") {
@@ -412,7 +412,7 @@ const valueCountSelection = () => {
   if (variable.value === "") {
     return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (columnA.value === "") {
-      return alert("Please add a primary column name in the 'Column Wrangling' section.");
+      return alert("Please add a primary column name in the 'primary column' field, in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
       return alert("Please add a category in group A.");
   } else if (newColumn.value === "") {
@@ -428,7 +428,7 @@ const numberSelectionSingle = () => {
   if (variable.value === "") {
     return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (columnA.value === "") {
-      return alert("Please add a primary column name in the 'Column Wrangling' section.");
+      return alert("Please add a primary column name in the 'primary column' field, in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
       return alert("Please add a category in group A.");
   } else {
@@ -440,7 +440,7 @@ const numberSelectionDoubleSame = () => {
   if (variable.value === "") {
     return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (columnA.value === "") {
-      return alert("Please add a primary column name in the 'Column Wrangling' section.");
+      return alert("Please add a primary column name in the 'primary column' field, in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
       return alert("Please add a category in group A.");
   } else if (groupB.value === "") {
@@ -454,7 +454,7 @@ const numberSelectionDoubleDiff = () => {
   if (variable.value === "") {
     return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (columnA.value === "") {
-      return alert("Please add a primary column name in the 'Column Wrangling' section.");
+      return alert("Please add a primary column name in the 'primary column' field, in the 'Column Wrangling' section.");
   } else if (columnB.value === "") {
       return alert("Please add a secondary column name in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
@@ -470,7 +470,7 @@ const numberSelectionDoubleDiffIsIn = () => {
   if (variable.value === "") {
     return alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.");
   } else if (columnA.value === "") {
-      return alert("Please add a primary column name in the 'Column Wrangling' section.");
+      return alert("Please add a primary column name in the 'primary column' field, in the 'Column Wrangling' section.");
   } else if (columnB.value === "") {
       return alert("Please add a secondary column name in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {

From 3397b8aeefd82bdc2c51a2691cf48fe41b78e21c Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 16:51:32 +1300
Subject: [PATCH 26/36] update message for secondary column

---
 script.js | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/script.js b/script.js
index 34bd3af..743f915 100644
--- a/script.js
+++ b/script.js
@@ -235,7 +235,7 @@ const columnWrangle = (stat) => {
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'primary column' field, in the 'Column Wrangling' section.");
   } else if (columnB.value === "") {
-      return alert("Please add a secondary column name in the 'Column Wrangling' section.");
+      return alert("Please add a secondary column name in the 'secondary column' field, in the 'Column Wrangling' section.");
   } else {
       document.editor.textbox.value+="\n" + variable.value + "['" + newColumn.value + "'] = " + variable.value + "['" + columnA.value + "'] " + stat + " " + variable.value + "['" + columnB.value + "']\n" + variable.value + "['" + newColumn.value + "'].head()" + "\n" + variable.value + "['" + newColumn.value + "'].plot(kind='hist'," + bin + " figsize=(14,6))";
   }
@@ -287,7 +287,7 @@ const individualSelection = () => {
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'primary column' field, in the 'Column Wrangling' section.");
   } else if (columnB.value === "") {
-      return alert("Please add a secondary column name in the 'Column Wrangling' section.");
+      return alert("Please add a secondary column name in the 'secondary column' field, in the 'Column Wrangling' section.");
   } else {
       document.editor.textbox.value+="\n" + variable.value + ".loc[" + variable.value + "['" + columnA.value + "'] == '" + columnB.value + "']" + "\n" + variable.value + "['" + columnA.value + "'].head()";
   }
@@ -315,7 +315,7 @@ const meanSelection = () => {
   } else if (groupA.value === "") {
       return alert("Please add a category in group A.");
   } else if (columnB.value === "") {
-      return alert("Please add a secondary column name in the 'Column Wrangling' section.");
+      return alert("Please add a secondary column name in the 'secondary column' field, in the 'Column Wrangling' section.");
   } else if (groupB.value === "") {
       return alert("Please add a category in group B.");
   } else if (newColumn.value === "") {
@@ -333,7 +333,7 @@ const meanMaxSelection = () => {
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'primary column' field, in the 'Column Wrangling' section.");
   } else if (columnB.value === "") {
-      return alert("Please add a secondary column name in the 'Column Wrangling' section.");
+      return alert("Please add a secondary column name in the 'secondary column' field, in the 'Column Wrangling' section.");
   } else {
       document.editor.textbox.value+="\n" + variable.value + ".loc[" + variable.value + "['"   + columnA.value + "'] > " + mostValueCounts.value + ", '"   + columnB.value + "'].mean()";
   }
@@ -345,7 +345,7 @@ const meanMinSelection = () => {
   } else if (mostValueCounts.value === "") {
       return alert("Please add a number in the 'number' field, in the 'Categorical analysis and visualisation' section.");
   } else if (columnB.value === "") {
-      return alert("Please add a secondary column name in the 'Column Wrangling' section.");
+      return alert("Please add a secondary column name in the 'secondary column' field, in the 'Column Wrangling' section.");
   } else {
       document.editor.textbox.value+="\n" + variable.value + ".loc[" + variable.value + "['"   + columnA.value + "'] < " + mostValueCounts.value + ", '"   + columnB.value + "'].mean()";
   }
@@ -456,7 +456,7 @@ const numberSelectionDoubleDiff = () => {
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'primary column' field, in the 'Column Wrangling' section.");
   } else if (columnB.value === "") {
-      return alert("Please add a secondary column name in the 'Column Wrangling' section.");
+      return alert("Please add a secondary column name in the 'secondary column' field, in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
       return alert("Please add a category in group A.");
   } else if (groupB.value === "") {
@@ -472,7 +472,7 @@ const numberSelectionDoubleDiffIsIn = () => {
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'primary column' field, in the 'Column Wrangling' section.");
   } else if (columnB.value === "") {
-      return alert("Please add a secondary column name in the 'Column Wrangling' section.");
+      return alert("Please add a secondary column name in the 'secondary column' field, in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
       return alert("Please add a category in group A.");
   } else if (groupB.value === "") {

From 6733ce35dd2a123f07b60fa9814c7b86b9ed6517 Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 16:55:48 +1300
Subject: [PATCH 27/36] add message for group A

---
 script.js | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/script.js b/script.js
index 743f915..5a7834b 100644
--- a/script.js
+++ b/script.js
@@ -299,7 +299,7 @@ const groupSelectionMean = () => {
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'primary column' field, in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
-      return alert("Please add a category in group A.");
+      return alert("Please add a category in 'group A' field, in the 'Different category' subsection.");
   } else if (groupB.value === "") {
       return alert("Please add a category in group B.");
   } else {
@@ -313,7 +313,7 @@ const meanSelection = () => {
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'primary column' field, in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
-      return alert("Please add a category in group A.");
+      return alert("Please add a category in 'group A' field, in the 'Different category' subsection.");
   } else if (columnB.value === "") {
       return alert("Please add a secondary column name in the 'secondary column' field, in the 'Column Wrangling' section.");
   } else if (groupB.value === "") {
@@ -357,7 +357,7 @@ const percentageSelection = () => {
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'primary column' field, in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
-      return alert("Please add a category in group A.");
+      return alert("Please add a category in 'group A' field, in the 'Different category' subsection.");
   } else if (newColumn.value === "") {
       return alert("Please add a column name in the 'new column' field in the 'Column Wrangling' section.");
   } else if (selectionPercentage.value === "") {
@@ -414,7 +414,7 @@ const valueCountSelection = () => {
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'primary column' field, in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
-      return alert("Please add a category in group A.");
+      return alert("Please add a category in 'group A' field, in the 'Different category' subsection.");
   } else if (newColumn.value === "") {
       return alert("Please add a column name in the 'new column' field in the 'Column Wrangling' section.");
   } else if (selectionPercentage.value === "") {
@@ -430,7 +430,7 @@ const numberSelectionSingle = () => {
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'primary column' field, in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
-      return alert("Please add a category in group A.");
+      return alert("Please add a category in 'group A' field, in the 'Different category' subsection.");
   } else {
       document.editor.textbox.value+="\n" + variable.value + ".loc[(" + variable.value + "['" + columnA.value + "'] == '" + groupA.value + "')].shape[0]";
   }
@@ -442,7 +442,7 @@ const numberSelectionDoubleSame = () => {
   } else if (columnA.value === "") {
       return alert("Please add a primary column name in the 'primary column' field, in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
-      return alert("Please add a category in group A.");
+      return alert("Please add a category in 'group A' field, in the 'Different category' subsection.");
   } else if (groupB.value === "") {
       return alert("Please add a category in group B.");
   } else {
@@ -458,7 +458,7 @@ const numberSelectionDoubleDiff = () => {
   } else if (columnB.value === "") {
       return alert("Please add a secondary column name in the 'secondary column' field, in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
-      return alert("Please add a category in group A.");
+      return alert("Please add a category in 'group A' field, in the 'Different category' subsection.");
   } else if (groupB.value === "") {
       return alert("Please add a category in group B.");
   } else {
@@ -474,7 +474,7 @@ const numberSelectionDoubleDiffIsIn = () => {
   } else if (columnB.value === "") {
       return alert("Please add a secondary column name in the 'secondary column' field, in the 'Column Wrangling' section.");
   } else if (groupA.value === "") {
-      return alert("Please add a category in group A.");
+      return alert("Please add a category in 'group A' field, in the 'Different category' subsection.");
   } else if (groupB.value === "") {
       return alert("Please add a category in group B.");
   } else {

From ffe11867831969d01fb3f73e23c2cb2cdae0e577 Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 16:59:14 +1300
Subject: [PATCH 28/36] add message for group B

---
 script.js | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/script.js b/script.js
index 5a7834b..48ea941 100644
--- a/script.js
+++ b/script.js
@@ -301,7 +301,7 @@ const groupSelectionMean = () => {
   } else if (groupA.value === "") {
       return alert("Please add a category in 'group A' field, in the 'Different category' subsection.");
   } else if (groupB.value === "") {
-      return alert("Please add a category in group B.");
+      return alert("Please add a category in 'group B' field, in the 'Different category' subsection.");
   } else {
       document.editor.textbox.value+="\n" + variable.value + ".loc[" + variable.value + "['" + columnA.value + "'] == '" + groupA.value + "', '" + groupB.value + "'].mean()";
   }
@@ -317,7 +317,7 @@ const meanSelection = () => {
   } else if (columnB.value === "") {
       return alert("Please add a secondary column name in the 'secondary column' field, in the 'Column Wrangling' section.");
   } else if (groupB.value === "") {
-      return alert("Please add a category in group B.");
+      return alert("Please add a category in 'group B' field, in the 'Different category' subsection.");
   } else if (newColumn.value === "") {
       return alert("Please add a column name in the 'new column' field in the 'Column Wrangling' section.");
   } else {
@@ -444,7 +444,7 @@ const numberSelectionDoubleSame = () => {
   } else if (groupA.value === "") {
       return alert("Please add a category in 'group A' field, in the 'Different category' subsection.");
   } else if (groupB.value === "") {
-      return alert("Please add a category in group B.");
+      return alert("Please add a category in 'group B' field, in the 'Different category' subsection.");
   } else {
       document.editor.textbox.value+="\n" + variable.value + ".loc[(" + variable.value + "[" + columnA.value + "'] == '" + groupA.value + "') " + selectionGrouping.value +  " (" + variable.value + "['" + columnA.value + "'] == '" + groupB.value + "')].shape[0]";
   }
@@ -460,7 +460,7 @@ const numberSelectionDoubleDiff = () => {
   } else if (groupA.value === "") {
       return alert("Please add a category in 'group A' field, in the 'Different category' subsection.");
   } else if (groupB.value === "") {
-      return alert("Please add a category in group B.");
+      return alert("Please add a category in 'group B' field, in the 'Different category' subsection.");
   } else {
       document.editor.textbox.value+="\n" + variable.value + ".loc[(" + variable.value + "['" + columnA.value + "'] == '" + groupA.value + "') " + selectionGrouping.value + " (" + variable.value + "['" + columnB.value + "'] == '" + groupB.value + "')].shape[0]";
   }
@@ -476,7 +476,7 @@ const numberSelectionDoubleDiffIsIn = () => {
   } else if (groupA.value === "") {
       return alert("Please add a category in 'group A' field, in the 'Different category' subsection.");
   } else if (groupB.value === "") {
-      return alert("Please add a category in group B.");
+      return alert("Please add a category in 'group B' field, in the 'Different category' subsection.");
   } else {
       document.editor.textbox.value+="\n" + variable.value + ".loc[(" + variable.value + "['" + columnA.value + "'] == '" + groupA.value + "') " + selectionGrouping.value + " (" + variable.value + "['" + columnB.value + "'].isin([" + groupB.value.split(',').map(el => `'${el.replace(' ', '')}'`).join().replaceAll(',', ', ') + "]" + "))].shape[0]";
   }

From 7141798b51954fff5d75f945cb818d39ffbd9bcc Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 17:07:41 +1300
Subject: [PATCH 29/36] modify loadData variable

---
 script.js | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/script.js b/script.js
index 48ea941..ce9977b 100644
--- a/script.js
+++ b/script.js
@@ -1,7 +1,28 @@
 
 // Load data
 let variable = document.getElementById("variable");
-let loadData = document.getElementById("load-data");
+let loadData = `
+conn = sqlite3.connect('data/sakila.db')
+
+df = pd.read_sql('''
+    SELECT
+        rental.rental_id, rental.rental_date, rental.return_date,
+        customer.last_name AS customer_lastname,
+        store.store_id,
+        city.city AS rental_store_city,
+        film.title AS film_title, film.rental_duration AS film_rental_duration,
+        film.rental_rate AS film_rental_rate, film.replacement_cost AS film_replacement_cost,
+        film.rating AS film_rating
+    FROM rental
+    INNER JOIN customer ON rental.customer_id == customer.customer_id
+    INNER JOIN inventory ON rental.inventory_id == inventory.inventory_id
+    INNER JOIN store ON inventory.store_id == store.store_id
+    INNER JOIN address ON store.address_id == address.address_id
+    INNER JOIN city ON address.city_id == city.city_id
+    INNER JOIN film ON inventory.film_id == film.film_id
+    ;
+''', conn, index_col='rental_id', parse_dates=['rental_date', 'return_date'])
+`;
 
 const data = (stat) => {
   if (variable.value === "") {

From b4d6f0df280b741c0bbe2659f1eec5d8d969fb0a Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 17:11:07 +1300
Subject: [PATCH 30/36] update load data button

---
 index.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.html b/index.html
index 3203023..867809a 100644
--- a/index.html
+++ b/index.html
@@ -41,7 +41,7 @@ <h2>Load data</h2>
   </p>
 
   <p>
-    <input type="button" class="btn btn-success" value="load data" onclick="document.editor.textbox.value+='\n' + loadData.innerHTML" />
+    <input type="button" class="btn btn-success" value="load data" onclick="document.editor.textbox.value+=loadData" />
   </p>
   
 <hr />

From 8984bdb2694480cf7b74cf38758274d0bf15f39d Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 17:25:11 +1300
Subject: [PATCH 31/36] fix message

---
 script.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/script.js b/script.js
index ce9977b..1a7983b 100644
--- a/script.js
+++ b/script.js
@@ -181,7 +181,7 @@ const matshow = (stat) => {
   if (correlation.value === "") {
     return alert("Please enter a name in the 'correlation field', in the 'Correlation between columns' section.");
   } else if (figure.value === "") {
-      return alert("Please enter a name in the 'figure' field, in the 'Correlation between columns' section.');
+      return alert("Please enter a name in the 'figure' field, in the 'Correlation between columns' section.");
   } else {
       document.editor.textbox.value+="\nplt." + stat + "(" + document.editor.correlation.value + ", cmap='RdBu', fignum=" + document.editor.figure.value + ".number)";
   }

From bbfd49da2190aa7d4f66c437415134db254398af Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 17:27:08 +1300
Subject: [PATCH 32/36] remove textarea

---
 index.html | 23 -----------------------
 1 file changed, 23 deletions(-)

diff --git a/index.html b/index.html
index 867809a..e2d717b 100644
--- a/index.html
+++ b/index.html
@@ -250,29 +250,6 @@ <h3>Different category</h3>
   <input class="btn" name="groupB" id="groupB" placeholder="group B" size="10" type="textfield" />
 </p>
 
-  <textarea id="load-data" class="hide">
-conn = sqlite3.connect('data/sakila.db')
-
-df = pd.read_sql('''
-    SELECT
-        rental.rental_id, rental.rental_date, rental.return_date,
-        customer.last_name AS customer_lastname,
-        store.store_id,
-        city.city AS rental_store_city,
-        film.title AS film_title, film.rental_duration AS film_rental_duration,
-        film.rental_rate AS film_rental_rate, film.replacement_cost AS film_replacement_cost,
-        film.rating AS film_rating
-    FROM rental
-    INNER JOIN customer ON rental.customer_id == customer.customer_id
-    INNER JOIN inventory ON rental.inventory_id == inventory.inventory_id
-    INNER JOIN store ON inventory.store_id == store.store_id
-    INNER JOIN address ON store.address_id == address.address_id
-    INNER JOIN city ON address.city_id == city.city_id
-    INNER JOIN film ON inventory.film_id == film.film_id
-    ;
-''', conn, index_col='rental_id', parse_dates=['rental_date', 'return_date'])
-  </textarea>
-
 </div>
           </td>
 

From f67d33726480b6bf67bbe5f770f0a9faf3b44002 Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 17:33:13 +1300
Subject: [PATCH 33/36] update message for category

---
 script.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/script.js b/script.js
index 1a7983b..05eb632 100644
--- a/script.js
+++ b/script.js
@@ -217,7 +217,7 @@ const boxPlotGrouped = () => {
   } else if (boxPlotCategory.value === '') {
       return alert("Please enter a category in the 'category' field, in the 'Correlation between columns' section.");
   } else if (boxPlotCategoryValue.value === '') {
-      return alert("Please enter a category value in the 'value' field to the right.");
+      return alert("Please enter a category value in the 'value' field, in the 'Correlation between columns' section.");
   } else if (boxPlotCategoryColumnA.value === '') {
       return alert("Please enter a category in the 'column A' field, in the 'Correlation between columns' section.");
   } else if (boxPlotCategoryColumnB.value === '') {

From f161e6c2e4dbd8767e43e3fddd7d6dfd18674a3d Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 17:57:21 +1300
Subject: [PATCH 34/36] update messages

---
 index.html | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/index.html b/index.html
index e2d717b..616b5c7 100644
--- a/index.html
+++ b/index.html
@@ -136,11 +136,11 @@ <h2>Correlation between columns</h2>
 </p>
 
 <p>
-  <input type="button" class="btn btn-primary" value="corr" onclick="document.editor.textbox.value+=document.editor.variable.value === '' ? alert('Please enter a variable name in the \'Load data\' section.') || '' : document.editor.correlation.value === '' ? '\n' + document.editor.variable.value + '.' + this.value + '()' : '\n' + document.editor.correlation.value + ' = ' + document.editor.variable.value + '.' + this.value + '()'" />
-  <input type="button" class="btn btn-primary" value="figure" onclick="document.editor.textbox.value+=document.editor.figure.value === '' ? alert('Please enter a name in the figure field.') || '' : '\n' + document.editor.figure.value + ' = plt.' + this.value + '(figsize=(8,8))'" />
+  <input type="button" class="btn btn-primary" value="corr" onclick="document.editor.textbox.value+=document.editor.variable.value === '' ? alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.") || '' : document.editor.correlation.value === '' ? '\n' + document.editor.variable.value + '.' + this.value + '()' : '\n' + document.editor.correlation.value + ' = ' + document.editor.variable.value + '.' + this.value + '()'" />
+  <input type="button" class="btn btn-primary" value="figure" onclick="document.editor.textbox.value+=document.editor.figure.value === '' ? alert("Please enter a name in the 'figure' field, in the 'Correlation between columns' section.") || '' : '\n' + document.editor.figure.value + ' = plt.' + this.value + '(figsize=(8,8))'" />
   <input type="button" class="btn btn-primary" value="matshow" onclick="matshow(this.value)" />
-  <input type="button" class="btn btn-primary" value="x ticks" onclick="document.editor.textbox.value+=document.editor.correlation.value === '' ? alert('Please enter a name in the correlation field.') || '' : '\nplt.' + this.value.replace(' ', '') + '(range(len(' + document.editor.correlation.value + '.columns)), ' + document.editor.correlation.value + '.columns, rotation=\'vertical\')'" />
-  <input type="button" class="btn btn-primary" value="y ticks" onclick="document.editor.textbox.value+=document.editor.correlation.value === '' ? alert('Please enter a name in the correlation field.') || '' : '\nplt.' + this.value.replace(' ', '') + '(range(len(' + document.editor.correlation.value + '.columns)), ' + document.editor.correlation.value + '.columns)'" />
+  <input type="button" class="btn btn-primary" value="x ticks" onclick="document.editor.textbox.value+=document.editor.correlation.value === '' ? alert("Please enter a name in the 'figure' field, in the 'Correlation between columns' section.") || '' : '\nplt.' + this.value.replace(' ', '') + '(range(len(' + document.editor.correlation.value + '.columns)), ' + document.editor.correlation.value + '.columns, rotation=\'vertical\')'" />
+  <input type="button" class="btn btn-primary" value="y ticks" onclick="document.editor.textbox.value+=document.editor.correlation.value === '' ? alert("Please enter a name in the 'correlation' field, in the 'Correlation between columns' section.") || '' : '\nplt.' + this.value.replace(' ', '') + '(range(len(' + document.editor.correlation.value + '.columns)), ' + document.editor.correlation.value + '.columns)'" />
 </p>
 
 <p>
@@ -151,7 +151,7 @@ <h2>Correlation between columns</h2>
 
 <p>
   <input type="button" class="btn btn-primary" value="box" onclick="box(); analysis=this.value" />
-  <input type="button" class="btn btn-primary" value="boxplot cols" onclick="document.editor.textbox.value+=document.editor.boxplotCats.value === '' ? alert('Please enter some comma separated categories.') || '' : '\n' + this.value.replace(' ', '_') + ' = [' + document.editor.boxplotCats.value.split(',').map(el => `'${el.replace(' ', '')}'`).join().replaceAll(',', ', ') + ']'; document.editor.boxplotCats.value=''; analysis=this.value" />
+  <input type="button" class="btn btn-primary" value="boxplot cols" onclick="document.editor.textbox.value+=document.editor.boxplotCats.value === '' ? alert("Please enter some comma separated categories in the 'boxplot categories' field, in the 'Correlation between columns' section.") || '' : '\n' + this.value.replace(' ', '_') + ' = [' + document.editor.boxplotCats.value.split(',').map(el => `'${el.replace(' ', '')}'`).join().replaceAll(',', ', ') + ']'; document.editor.boxplotCats.value=''; analysis=this.value" />
   <input class="btn" name="boxplotCats" id="plots" placeholder="boxplot catergories" size="12" type="textfield" />
 </p>
 

From 765e3f6094dc5122aa5ade85d34e31f14c610247 Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 18:03:59 +1300
Subject: [PATCH 35/36] fix messages

---
 index.html | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/index.html b/index.html
index 616b5c7..c408bda 100644
--- a/index.html
+++ b/index.html
@@ -136,11 +136,11 @@ <h2>Correlation between columns</h2>
 </p>
 
 <p>
-  <input type="button" class="btn btn-primary" value="corr" onclick="document.editor.textbox.value+=document.editor.variable.value === '' ? alert("Please enter a variable name in the 'variable' field, in the 'Load data' section.") || '' : document.editor.correlation.value === '' ? '\n' + document.editor.variable.value + '.' + this.value + '()' : '\n' + document.editor.correlation.value + ' = ' + document.editor.variable.value + '.' + this.value + '()'" />
-  <input type="button" class="btn btn-primary" value="figure" onclick="document.editor.textbox.value+=document.editor.figure.value === '' ? alert("Please enter a name in the 'figure' field, in the 'Correlation between columns' section.") || '' : '\n' + document.editor.figure.value + ' = plt.' + this.value + '(figsize=(8,8))'" />
+  <input type="button" class="btn btn-primary" value="corr" onclick="document.editor.textbox.value+=document.editor.variable.value === '' ? alert('Please enter a variable name in the \'variable\' field, in the \'Load data\' section.') || '' : document.editor.correlation.value === '' ? '\n' + document.editor.variable.value + '.' + this.value + '()' : '\n' + document.editor.correlation.value + ' = ' + document.editor.variable.value + '.' + this.value + '()'" />
+  <input type="button" class="btn btn-primary" value="figure" onclick="document.editor.textbox.value+=document.editor.figure.value === '' ? alert('Please enter a name in the \'figure\' field, in the \'Correlation between columns\' section.') || '' : '\n' + document.editor.figure.value + ' = plt.' + this.value + '(figsize=(8,8))'" />
   <input type="button" class="btn btn-primary" value="matshow" onclick="matshow(this.value)" />
-  <input type="button" class="btn btn-primary" value="x ticks" onclick="document.editor.textbox.value+=document.editor.correlation.value === '' ? alert("Please enter a name in the 'figure' field, in the 'Correlation between columns' section.") || '' : '\nplt.' + this.value.replace(' ', '') + '(range(len(' + document.editor.correlation.value + '.columns)), ' + document.editor.correlation.value + '.columns, rotation=\'vertical\')'" />
-  <input type="button" class="btn btn-primary" value="y ticks" onclick="document.editor.textbox.value+=document.editor.correlation.value === '' ? alert("Please enter a name in the 'correlation' field, in the 'Correlation between columns' section.") || '' : '\nplt.' + this.value.replace(' ', '') + '(range(len(' + document.editor.correlation.value + '.columns)), ' + document.editor.correlation.value + '.columns)'" />
+  <input type="button" class="btn btn-primary" value="x ticks" onclick="document.editor.textbox.value+=document.editor.correlation.value === '' ? alert('Please enter a name in the \'figure\' field, in the \'Correlation between columns\' section.') || '' : '\nplt.' + this.value.replace(' ', '') + '(range(len(' + document.editor.correlation.value + '.columns)), ' + document.editor.correlation.value + '.columns, rotation=\'vertical\')'" />
+  <input type="button" class="btn btn-primary" value="y ticks" onclick="document.editor.textbox.value+=document.editor.correlation.value === '' ? alert('Please enter a name in the \'correlation\' field, in the \'Correlation between columns\' section.') || '' : '\nplt.' + this.value.replace(' ', '') + '(range(len(' + document.editor.correlation.value + '.columns)), ' + document.editor.correlation.value + '.columns)'" />
 </p>
 
 <p>
@@ -151,7 +151,7 @@ <h2>Correlation between columns</h2>
 
 <p>
   <input type="button" class="btn btn-primary" value="box" onclick="box(); analysis=this.value" />
-  <input type="button" class="btn btn-primary" value="boxplot cols" onclick="document.editor.textbox.value+=document.editor.boxplotCats.value === '' ? alert("Please enter some comma separated categories in the 'boxplot categories' field, in the 'Correlation between columns' section.") || '' : '\n' + this.value.replace(' ', '_') + ' = [' + document.editor.boxplotCats.value.split(',').map(el => `'${el.replace(' ', '')}'`).join().replaceAll(',', ', ') + ']'; document.editor.boxplotCats.value=''; analysis=this.value" />
+  <input type="button" class="btn btn-primary" value="boxplot cols" onclick="document.editor.textbox.value+=document.editor.boxplotCats.value === '' ? alert('Please enter some comma separated categories in the \'boxplot categories\' field, in the \'Correlation between columns\' section.') || '' : '\n' + this.value.replace(' ', '_') + ' = [' + document.editor.boxplotCats.value.split(',').map(el => `'${el.replace(' ', '')}'`).join().replaceAll(',', ', ') + ']'; document.editor.boxplotCats.value=''; analysis=this.value" />
   <input class="btn" name="boxplotCats" id="plots" placeholder="boxplot catergories" size="12" type="textfield" />
 </p>
 

From f72ce4654db5665bc3f1c8f1f22d8f06cd930f4b Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 29 Jan 2026 18:12:00 +1300
Subject: [PATCH 36/36] update message for percentage

---
 script.js | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/script.js b/script.js
index 05eb632..2c73e69 100644
--- a/script.js
+++ b/script.js
@@ -382,7 +382,7 @@ const percentageSelection = () => {
   } else if (newColumn.value === "") {
       return alert("Please add a column name in the 'new column' field in the 'Column Wrangling' section.");
   } else if (selectionPercentage.value === "") {
-      return alert("Please select a percentage.");
+      return alert("Please add a percentage in the 'percentage' field, in the 'Mean' subsection.");
   } else {
       let percentage = selectionPercentage.value;
       let percentageNegative = false;
@@ -438,8 +438,6 @@ const valueCountSelection = () => {
       return alert("Please add a category in 'group A' field, in the 'Different category' subsection.");
   } else if (newColumn.value === "") {
       return alert("Please add a column name in the 'new column' field in the 'Column Wrangling' section.");
-  } else if (selectionPercentage.value === "") {
-      return alert("Please select a percentage.");
   } else {
       document.editor.textbox.value+="\n" + variable.value + ".loc[" + variable.value + "['" + columnA.value + "'] == '" + groupA.value + "', '" + newColumn.value + "'].value_counts()";
   }