xtdml– Double Machine Learning for static panel data models with fixed effects. R package (CRAN), v0.1.11. https://cran.r-project.org/web/packages/xtdml.
xtlvr2plot– Leverage-vs-residual diagnostics for panel data models with fixed effects. Stata command, v1.8. https://github.com/POLSEAN/Influence-Analysis.
xtinfluence– Influence analysis for linear panel data models with fixed effects. Stata command, v1.7. https://github.com/POLSEAN/Influence-Analysis .