R: Various Procedures Used in Psychometrics

# Various Procedures Used in Psychometrics

## Documentation for package ‘psy’ version 1.2

- DESCRIPTION file

## Help Pages

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