Re: [Freesurfer] problem creating contrast matrix for f test

2011-05-31 Thread Douglas N Greve
Hi Pablo, unfortunately, you've run into a bug in FSFAST in that some contrast matrices cannot be easily run. It uses some complicated (overly complicated?) logic behind the scenes to create the contrast matrices, and using a custom contrast matrix is not so easy. I'll write a patch to fix this

[Freesurfer] problem creating contrast matrix for f test

2011-05-30 Thread Pablo Polosecki
Dear list: I am analyzing functional data using FSFAST. I have 7 conditions in a blocked design and I would like to run an F-test using the following contrast matrix: [ -0.5000 00.5000 0 -0.50000.5000 0; 0 -1. 01. 0