[GRASS-user] Calculating eigen values and % variance explained after PCA analysis

[Nikos Alexandris]

Nikos:
> > There is still m.eigensystem with which one can manually
> > build Principal Components and get all values. But I am not
> > sure how to compile it (anymore)


Hamish:
> works for me.
> 
> cd grass-addons/misc/m.eigensystem
> make MODULE_TOPDIR=/usr/local/src/grass-svn/releasebranch_6_4

> is f77 installed?


No! So... "sudo apt-get install f2c fort77" and then "make" did the
trick :-)

Thanks Hamish