- Some bug fixes to CiC method
- Added ddid2 method to compute quantile treatment effects under a Difference in Differences assumption following the procedure of Callaway and Li, 2016.
- Include covariates for all methods using formulas (xformla parameter) instead of passing in names
- Improvements to bootstrapping standard errors
- Some extensions to computing the ATT by itself in
- Preliminary version of multi period ATT moved to package