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New feature: visualize panel data connectivity as a k-partite graph (Correia 2016). Identifies singletons, connected components, and non-unique observations via weighted edges. Supports 2+ FE dimensions, formula-based missingness, and user-tunable edge/node styling. New parameters: show.singletons, highlight.components, layout, node.size, show.labels, edge.color, edge.alpha, edge.width, singleton.color. igraph added to Suggests. Tutorial chapter 4 added. Version bumped to 1.3.0. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
…ve structure Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Document network visualization feature and historical changelog for CRAN submission. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
* v1.3.1: modern theme refresh, new theme/group.mean.overlay arguments
Visual refresh across all four plot types (treat / outcome / bivariate / network):
* Plain left-aligned titles at base size 11, white background for status
heatmaps, subtle major-x gridlines for trajectories, thin gray dashed
treatment-onset marker (replaces prior thick white separator).
* Multi-level discrete-status palette refreshed to a muted, perceptually
distinct sequence; binary blue cascade and continuous gradient unchanged.
* Outcome control trajectories lightened to grey75 so dense overlapping
lines no longer darken into a near-black band.
* Outcome draw order fixed: controls now render at the bottom, treated-pre
next, treated-post on top -- via three explicit geom_line layers (single
geom_line(group=id) was drawing in id order, not type order, so treated
trajectories were being covered by the control band).
* by.group / by.group.side suptitle (textGrob path) routed through the
modern title style via a new .pv_modern_top_grob helper (28 call sites).
New arguments:
* `theme = c("default", "red")`. The "red" theme activates a high-contrast
publication-paper recipe: gray control / dark-gray treated-pre /
brick-red treated-post for status and outcome plots, plus a solid black
dashed treatment-onset marker.
* `group.mean.overlay = FALSE`. When TRUE, the outcome plot dims per-unit
trajectories and overlays a heavy group-mean line plus a 10-90% quantile
ribbon per treatment-status group. Currently scoped to the main DID
continuous-outcome path.
Deprecations:
* `theme.bw = FALSE` is soft-deprecated -- still functional for backwards
compatibility but emits a one-time warning per call. The tutorial no
longer demonstrates it.
Tutorial:
* New "Themes" subsections in 01-treat and 02-outcome chapters; new red-
theme demo in 03-bivariate chapter.
* Demo of theme="red" handling all three categories (Under Control,
Under Treatment, Missing) on the capacity dataset.
* New v1.3.1 changelog entry; index version table + argument table
updated for the two new arguments.
Validation: R CMD check --as-cran on the built tarball returns Status: OK
(0 errors / 0 warnings / 0 notes). 116/116 testthat tests pass. Clean-cache
Quarto book render of all 7 chapters succeeds.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* docs: log v1.3.1 CRAN acceptance in tutorial book
Update install table to CRAN 1.3.1 across all three rows; add CRAN release
line (2026-05-13) to v1.3.1 changelog entry.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* docs: link StatsClaw in tutorial contributors
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
---------
Co-authored-by: Yiqing Xu <7664920+xuyiqing@users.noreply.github.com>
Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Saving the plot to a named object first makes the two-step pattern explicit for readers; mirrors how users will typically reach for ggplot2 layers in their own code. Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
5-platform matrix (macOS, Windows, Linux release / devel / oldrel-1) using the r-lib/actions/check-r-package recipe with --as-cran flags. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Dev-side checks are run manually by the maintainer; CI gates only the final mile into master. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Drop ubuntu r-devel and r-oldrel-1; keep macOS, Windows, Ubuntu on R release. Maintainer runs devel/oldrel checks manually when needed. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Summary
Promote v1.3.1 from dev to master. Cumulative changes since master last shipped (v1.2.x):
Already accepted on CRAN as 1.3.1. Master is being brought up to current; no new code lands here that isn't already in dev.
Test plan
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