[GRASS-user] how to perform inverse pca


with regards
j@y@sree

On Tue, Apr 17, 2012 at 8:52 PM, jayasree saha <miss.jaya.saha@gmail.com> wrote:

Please check this discussion:

Inverse PCA in GRASS
http://osgeo-org.1560.n6.nabble.com/Inverse-PCA-in-GRASS-td3928992.html

Markus

On Tue, Apr 17, 2012 at 9:21 PM, Markus Neteler <neteler@osgeo.org> wrote:

On Tue, Apr 17, 2012 at 8:52 PM, jayasree saha <miss.jaya.saha@gmail.com> wrote:

Please check this discussion:

Inverse PCA in GRASS
http://osgeo-org.1560.n6.nabble.com/Inverse-PCA-in-GRASS-td3928992.html

Note: m.eigensystem has been updates after this discussion:
grass-addons/grass6/misc/m.eigensystem

Additionally: Not to forget about this Wiki page:
http://grass.osgeo.org/wiki/Principal_Component_Analysis

Markus

An article fyi (reference in BibTex format):

@ARTICLE{Koutsias2009,
  author = {Koutsias, N and Mallinis, G and Karteris, M},
  title = {A forward/backward principal component analysis of Landsat-7 ETM+
  data to enhance the spectral signal of burnt surfaces},
  journal = {ISPRS Journal of Photogrammetry and Remote Sensing},
  year = {2009},
  volume = {64},
  pages = {37},
  number = {1},
  doi = {10.1016/j.isprsjprs.2008.06.004},
  issn = {09242716},
  lockkey = {N}
}

Do not hesitate to contact directly the main author. PM me and I'll provide
his e-mail address.

Best, Nikos