ckappa                  Cohen's Kappa for 2 raters
cronbach                Cronbach's coefficient alpha
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
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
