AddHealth               Add Health data about substance use
TALIS                   Teaching and Learning International Survey
gscaLCA                 Main function of gscaLCA by using fuzzy
                        clustering GSCA
gscaLCR                 The 2nd and 3rd step of gscaLCA, which are the
                        partitioning and fitting regression
summary.gscaLCA         Summary of gscaLCA output or gscaLCR output
