[GRASS-user] Linear regression between 2 rasters (old and new)

Carlos Grohmann carlos.grohmann at gmail.com
Fri Sep 30 11:16:42 EDT 2011


Or use python + numpy

check the wiki for python + GRASS.

best

Carlos



2011/9/30 Milton Cezar Ribeiro <miltinho.astronauta at gmail.com>

> Dear Antonio,
>
> Depending on your raster sizes you can load both maps into R and
> compute the stats over there.
>
> best
>
> miltinho
>
>
> 2011/9/30, António Rocha <antonio.rocha at deimos.com.pt>:
> > I
> >
> > I have been using r.series to calculate a linear regression slope for an
> > old and new raster map using r.series. But now I need to also obtain the
> > error. It seems not to be possible to use r.series. Is this true? if
> > yes, what alternative do I have?
> > THanks
> > Antonio
> >
> >
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>
> --
>
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-- 
Prof. Carlos Henrique Grohmann - Geologist D.Sc.
Institute of Geosciences - Univ. of São Paulo, Brazil
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