| capybara::asymmetric | Asymmetric Poisson Pseudo-Maximum Likelihood (APPML) | HTML | source | R code | |
| capybara::intro | Poisson Pseudo-Maximum Likelihood (PPML) Model with Cluster-Robust Standard Errors | HTML | source | R code | |
| capybara::separation | Nonexistence of estimates of Poisson models | HTML | source | R code | |
| capybara::variance-covariance | Different Variance-Covariance Estimators | HTML | source | R code |