extreme_on_x            Extremeness of cases on an independent variable
extreme_on_y            Extremeness of cases on the dependent variable
most_deviant            Identification of the most deviant case
most_overpredicted      Identification of the most overpredicted case
most_typical            Identification of the most typical case
most_underpredicted     Identification of the most underpredicted case
pathway                 Pathway case
pathway_xvr             Plot of residuals against pathway variable
predint                 Classification of cases as typical and deviant
                        using a prediction interval.
predint_plot            Plot of typical and deviant cases with
                        prediction intervals
residstd                Classification of cases as typical and deviant
                        using the standard deviation of the residuals.
residstd_plot           Plot of typical and deviant cases based on
                        residuals' standard deviation
