From 57f2973e55dc943171152a3cd306006dac1235b7 Mon Sep 17 00:00:00 2001
From: "PEI,Adam" <1257624653@qq.com>
Date: Tue, 23 Oct 2018 10:33:07 +0800
Subject: [PATCH] Add an option of scaling data

Add an option of scaling generated data with data_row
---
 lime/lime_tabular.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lime/lime_tabular.py b/lime/lime_tabular.py
index fdc3fef06..04b3533af 100644
--- a/lime/lime_tabular.py
+++ b/lime/lime_tabular.py
@@ -271,7 +271,10 @@ def explain_instance(self,
             explanations.
         """
         data, inverse = self.__data_inverse(data_row, num_samples)
-        scaled_data = (data - self.scaler.mean_) / self.scaler.scale_
+        if self.sample_around_instance:
+            scaled_data = (data - data_row) / self.scaler.scale_
+        else:
+            scaled_data = (data - self.scaler.mean_) / self.scaler.scale_
 
         distances = sklearn.metrics.pairwise_distances(
                 scaled_data,