Nikos: > > If outputs are not identical, either R or grass do some hidden > > modification or there is a bug in either grass or R (all within > > limits, e.g. identical up to the 5th digit in scientific format is > > fine?). > > Some textbooks give a rule of thumb for further analysis to use only > > components with an eigenvalue >=1
> I think this depends on what you are trying to achieve. Of course, > components with small(-er) eigenvalues include more "noizzze". In my > change detection project I used *only* components with eigenvalues < > 1. Hmm.. Markus, I was too quick yesterday. That's not true. All of the PC's I've used have "eigenvalue > 1". Sorry :-p _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
