mlm_center              Center variables for multilevel modeling
mlm_jn                  Johnson-Neyman interval for multilevel two-way
                        interactions
mlm_plot                Publication-ready interaction plot for
                        multilevel models
mlm_probe               Probe simple slopes from a multilevel
                        interaction
mlm_sensitivity         Leave-one-cluster-out influence diagnostics for
                        a cross-level interaction
mlm_summary             Summary table for a multilevel moderation
                        effect
mlm_surface             Contour plot of predicted outcomes over the
                        predictor x moderator space
mlm_variance_decomp     Confidence and prediction intervals for simple
                        slopes in a random-slope model
plot.mlm_jn             Plot a Johnson-Neyman interval from a
                        multilevel model
plot.mlm_sensitivity    Plot leave-one-cluster-out influence for a
                        cross-level interaction
plot.mlm_variance_decomp
                        Plot the variance decomposition of simple
                        slopes
school_data             Simulated school achievement dataset
