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
