pspp: PSPP (Free open source replacement of SPSS)
pspp:
pspp: GNU PSPP is a program for statistical analysis of sampled data. 
pspp: It is a Free replacement for the proprietary program SPSS, 
pspp: and appears very similar to it with a few exceptions.
pspp: 
pspp:
pspp: Homepage: http://www.gnu.org/software/pspp/
pspp:
pspp:
pspp: