| alpha | Calculate Cronbach's Alpha from a correlation matrix or dataframe |
| eigenvalues | calculate eigenvalues of a correlation matrix with optional scree plot |
| lcor | Rearrange columns in a data-frame to fit a predefined correlation matrix |
| lexact | Deprecated. Use lfast() instead |
| lfast | Rating scale data (e.g. Likert scale) from a Scaled Beta Distribution |
| makeCorrAlpha | Construct a random correlation matrix of given dimensions from predefined Cronbach's Alpha |
| makeItems | Generate synthetic rating-scale data with predefined first and second moments and a predefined correlation matrix |