On Wed, Dec 4, 2013 at 11:46 PM, Nikos Alexandris <[email protected]> wrote: > Nikos Alexandris: >> > Here, immediate effect when percent=99.68. I guess it gets rounded to >> > 99.7 ? > > Moritz Lennert: >> Actually, the man page says "percent=integer". The input is treated with >> atoi(). I don't know if that rounds or floors..
I think it truncates = floor for positive numbers. > > Heck, overlooked that :-(. In my very humble and ever-wannabe-scientist > opinnion, though, we need those extra digits to make it easy rejecting last > Principal Component(s) prior to the backward PCA. Might be one, two or > numerous (?) depending on the dimensions. I think it rather depends in the amount of information encoded in each PC. Alternatively, PC selection could also be based on the Eigenvalue, typically all PCs with an Eigenvalue >= 1 (centered and scaled input) would be used. Markus M _______________________________________________ grass-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-dev
