| 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 |
| shape_data | Shape data as input for 'fb_select()' |