Reference

Statistics Functions that calculate statistics.
proc_freq()	Generates Frequency Statistics
proc_means()	Calculates Summary Statistics
proc_ttest()	Calculates T-Test Statistics
proc_reg()	Calculates a Regression
Data Manipulation Functions to manipulate data.
proc_transpose()	Transposes a Dataset
proc_sort()	Sorts a dataset
Utility Functions that simulate other procedures.
proc_print()	Prints a dataset