Changes in version 0.1.1 (2026-01-09)                  

New Features

  - Added comprehensive unit tests using testthat framework
  - Added generate_test_data() function for simulation studies

Improvements

  - Improved documentation with roxygen2 comments for all exported
    functions
  - Added input validation and informative error messages
  - Enhanced numerical stability in scm() and sp_estimation() with
    regularization

Bug Fixes

  - Fixed weight rearrangement issue in scm_batch() when processing
    non-first units

                        Changes in version 0.1.0                        

Initial release

Core Functions

  - run_scm_spillover(): Main function for SCM analysis with spillover
    effects
  - scm(): Basic synthetic control method for single treated unit
  - scm_batch(): Batch SCM estimation for all units
  - sp_estimation(): Spillover-adjusted treatment effect estimation
  - vanilla_scm(): Standard SCM without spillover adjustment for
    comparison

Inference

  - sp_andrews_te(): Andrews-type test for treatment effects with
    confidence intervals
  - sp_andrews_spillover(): Test for presence of spillover effects

Visualization

  - plot_effects(): Plot treatment effects with confidence intervals
  - plot_all(): Generate comprehensive visualization suite
  - qplot_effects(), qplot_compare(), qplot_series(), qplot_ci(): Quick
    plotting functions
  - save_all_plots(): Export all plots to files

Methods

  - print.scm_spillover(): Print method for results summary
  - summary.scm_spillover(): Detailed summary with period-by-period
    results
  - plot.scm_spillover(): S3 plot method

Data

  - generate_test_data(): Generate simulated panel data for testing