alpha                   Calculate Cronbach's Alpha from a correlation
                        matrix or dataframe
correlateScales         Create a dataframe of correlated scales from
                        different dataframes of scale items
eigenvalues             calculate eigenvalues of a correlation matrix
                        with optional scree plot
lcor                    Rearrange elements in each column of a
                        data-frame to fit a predefined correlation
                        matrix
lexact                  Deprecated. Use lfast() instead
lfast                   Synthesise rating-scale data with predefined
                        mean and standard deviation
makeCorrAlpha           Correlation matrix from Cronbach's Alpha
makeCorrLoadings        Correlation matrix from item factor loadings
makeItems               Synthesise rating-scale data with given first
                        and second moments and a predefined correlation
                        matrix
makeItemsScale          Generate scale items from a summated scale,
                        with desired Cronbach's Alpha
makePaired              Synthesise a dataset from paired-sample t-test
                        summary statistics
