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 |