Also, I just tried this and gave me this error when trying to do group analysis
Lapack routine dgesv: system is exactly singular: U[1,1] = 0
This is my instantaneous effect specification matrix
visual dorsal ventral
visual 0 0 0
dorsal NA 0 0
ventral NA NA 0
Thanks again
Edited 1 time(s). Last edit at 08/27/2014 12:23PM by Omar Maximo.