| ckappa | Cohen's Kappa for 2 raters |
| cronbach | Cronbach's coefficient alpha |
| ehd | Depressive Mood Scale |
| expsy | Data set related to psychometry |
| fpca | Focused Principal Components Analysis |
| icc | Intraclass correlation coefficient (ICC) |
| lkappa | Light's kappa for n raters |
| mdspca | Graphical representation of a correlation matrix using a Principal Component Analysis |
| mtmm | Multitrait Multimethod approach of scale validation |
| psy | Various procedures used in psychometry |
| scree.plot | Screeplot of eigenvalues, simulated data are available |
| sleep | Ecological and Constitutional Data in Mammals |
| sphpca | Spherical Representation of a Correlation Matrix |
| wkappa | weighted Kappa for 2 raters |