artificial2sls          Artificial data set for illustration.
artificial2sls_contaminated
                        Artificial data set with outliers for
                        illustration.
artificial2sls_shiny    Artificial data set without outliers prepared
                        for shiny application.
extract_variables       Extract the first and second stage regressors
                        of ivreg formula
factory_indicators      Function factory for creating indicators from
                        their names
gets.ivreg              Gets modeling on an ivreg object
isat.ivreg              Indicator saturation modeling on an ivreg
                        object
ivDiag                  User diagnostics for getsFun() and isat()
ivgets                  General-to-specific modeling for 2SLS models
ivisat                  Indicator saturation modeling for 2SLS models
ivregFun                User estimator ivreg for getsFun() and isat()
new_formula             Takes ivreg formula and returns formula
                        compatible with model selection
