did2s 0.4.0

  • Add event_study and plot_event_study functions

did2s 0.3.0

  • Add did_imputation following Borusyak, Jaravel, and Spiess (2021)

  • Speed up did2s

did2s 0.2.0

  • Use sparse matrices to use much less memory

  • Fix analytic standard errors when using weights

did2s 0.1.0

  • Correct and robust standard errors