| iop::iop | Getting started with iop | HTML | source | R code | |
| iop::model | The model, identification, and estimation | HTML | source | R code | |
| iop::panels | Panel data: random intercepts, fixed effects, and the Mundlak device | HTML | source | R code | |
| iop::quantities | Predicted probabilities, first differences, and marginal effects | HTML | source | R code |