Pedro: > Ok as far as I can see it's > Category ID (class) > Mean vector (each value is the average for the category in each band) > > Var(b1;b1) > Cov(b1,b2) Var(b2;b2) > Cov(b1,b3) Cov(b2,b3) Var(v3,v3) > > it's this?
It would take me to perform a test with numbers and see what is what exactly. Maybe some math-grass-guru can explain quickly ;-) > By the way, is in any place the inversion of the covariance matrix? Hmm... are you looking for this (or relevant): <http://trac.osgeo.org/grass/browser/grass/branches/releasebranch_6_4/imagery/i.gensig/check.c> Nikos ps: Maybe we can put this in the wiki after it is clear what is what _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
