centiles_bin            Plot centiles of a fitted GAMLSS model
                        (binomial-type)
composite_shape         Shape data for a composite scale based on
                        normalized Z-scores
cotapp_data             cotapp data
different_rel           Estimate reliability across multiple window
                        widths and age steps
fb_select               Free order model selection procedure
ids_data                ids data
ids_kn_data             The ids_kn_data are simlulated data for
                        demonstration purposes
ids_rel_data            These fictional reliability data are for
                        demonstration purposes.
normtable_create        Create a norm table based on a GAMLSS fitted
                        model
plot_drel               Plot reliability estimates over age
plot_normtable          Plot norm curves from a NormTable object
reliability_window      Estimate test reliability by age using a
                        sliding window
sample_size_poly        Sample size planning for continuous norming
                        using polynomial regression
shape_data              Shape data as input for 'fb_select()'
