Stixbox, developed by
Anders Holtsberg, is a statistics toolbox for Matlab, Octave,
Contents-file for the
contents and the remarks in the
The collection of routines is in the tar-file
A good starting point to look for other free toolboxes is http://mathtools.com/mtoolbox.html.
There is an interesting Matlab toolbox for generalized linear models at http://www.sci.usq.edu.au/staff/dunn/glmlab/glmlab.html.