CHANGELOG.md

InsightStack Changelog

All notable changes to InsightStack are documented here.

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[v1.3.0] - 2025-04-28

Added

• econometrics/ module fully built with 7 implementations:
  • difference_in_differences.py — DiD estimation with parallel trends test, covariate controls, and visualization
  • propensity_score_matching.py — PSM with nearest-neighbor matching, balance assessment, and ATT estimation
  • regression_discontinuity.py — Sharp RDD with bandwidth selection, McCrary density test, and visualization
  • instrumental_variables.py — 2SLS estimation with first-stage F-test diagnostics
  • sensitivity_analysis.py — Rosenbaum bounds, placebo tests, permutation inference
  • did_analysis.R — DiD in R with event study plot using ggplot2
  • psm_analysis.R — PSM in R using MatchIt package with balance diagnostics
• econometrics/sample_program_data.csv — 20-row simulated program evaluation dataset

Improved

• README updated: econometrics module status changed from Planned to Ready

[v1.2.0] - 2025-04-24

Added

• impact_evaluation/: DiD, propensity score matching, ITT/LATE estimation, event study, MDE power calculation
• regression_discontinuity.do and heterogeneous_effects.do for causal inference
• GitHub Action for automatic changelog generation
• ROADMAP.md and design_coverage.md

Improved

• graphs_viz/: added boxplot_by_group, panel_line_income, combine_graphs
• README enhancements with badges and ecosystem links

[v1.1.0] - 2025-04-20

Added

• Core data folders: data_management/, descriptive_analysis/, regression_models/
• Templates: annotated_do_file.do, project_folder_template.zip
• Synthetic datasets: education_labels.csv, livelihoods_panel.csv, health_survey.csv

Fixed

• Label inconsistencies in logistic_models.do
• Folder alignment and README formatting

[v1.0.0] - 2025-04-18

Initial Release

• Project bootstrapped with InsightStack architecture
• GitHub Pages, README, and folder layout