Changes in version 1.0 (2023-04-03)                   

  - Published to CRAN. install.packages("DiDforBigData") now works.

                         Changes in version 0.3                         

  - First public release.
  - Add progress bar to predict how long the estimation will take.
  - Simplify package to only 3 functions: DiD, DiDge, and SimDiD.

                         Changes in version 0.2                         

  - Add support for robust and clustered standard errors.
  - Add support for high-dimensional fixed-effect covariates.

                         Changes in version 0.1                         

  - Add support for time-varying covariates.
  - Initialize simple DiD estimation framework.