[GRASS-user] i.gensigset error not enough data points

Nikos Alexandris nikos.alexandris at felis.uni-freiburg.de
Fri Jun 20 07:42:43 EDT 2008

On Fri, 2008-06-20 at 17:59 +0800, maning sambale wrote:
> Hi,
> I'm getting the same errors as this one:
> http://lists.osgeo.org/pipermail/grass-user/2005-April/028536.html
> Why is this so? I'm running on 12 classes on 8 rasters in a group.
> cheers,
> maning


I am convinced that this error has to do will NULL data. Watch carefully
your training samples and make sure they are not "matching" any NULL
cells in the raster map from which you extract the signatures.



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