[GRASS-dev] PCA (i.pca) in G7: filtering and rescaling

[Nikos Alexandris]

On Monday 09 of December 2013 14:29:21 you wrote:
> > Great! So, applied the diff. Here some numbers:
> > 
> > PC1 238310.68 ( 0.1606, 0.2231, 0.1228, 0.9536) [96.10%]
> > PC2   9364.65 ( 0.4319, 0.5989, 0.6082,-0.2912) [ 3.78%]
> > PC3    217.78 ( 0.7028, 0.1609,-0.6897,-0.0672) [ 0.09%]
> > PC4     80.33 ( 0.5420,-0.7521, 0.3732, 0.0366) [ 0.03%]
> > 
> > Thus, we have:
> > 
> > 96.10 + 3.78 + 0.09 = 99.88 + 0.09 = 99.97
> 
> That's 96.10 + 3.78 = 99.88 + 0.09 = 99.97

Heheh... :D

That was written like (striking away the numbers):

   /        /
96/.10 + 3./78 + 0.09 = 99.88 + 0.09 = 99.97
 /        /               
                          ^
                          |
          o ---------------
                          +
 o ------------------------

Nikos