[GRASS-dev] PIxel-wise regression contribution

[Damien O'Grady]

Yes, you are quite right, and r.regression.series is far more elegant.
I wish I'd seen it three years ago, when I really needed it!

Thanks

Damien

On Tue, 2012-05-22 at 12:04 +0200, Markus Metz wrote:
> Damien O'Grady wrote:
> > Hi there
> >
> > I would like to contribute a script that I have used in my research to
> > the broader field.  The script carries out linear regression, except
> > that rather than using two rasters for the x and y variables, it uses
> > any number of pairs of rasters, allowing the regression to be carried
> > out across a time series, resulting in a slope, intercept and R^2 values
> > for each pixel.
> 
> It seems that your script is doing the same like the C module
> r.regression.series in grass-addons [0] ?
> 
> Markus M
> 
> 
> [0] https://trac.osgeo.org/grass/browser/grass-addons/grass7/raster/r.regression.series
> 
> >
> > The crunch is that it is written in perl, as this is what I know best
> > and it serves me well.  I have done my best to conform to the stated
> > standards, and I have produced a fairly detailed manual page.  This will
> > give you a better idea of what the script does, with examples.  I attach
> > the script and html here.  I hope that you will consider making it
> > available to others.
> >
> > Here at James Cook University, by the way, we are encouraging a switch
> > from problematic and costly proprietary software to GRASS GIS.  I am a
> > major fan of GRASS, particularly on a Linux platform, and I am pleased
> > that more and more students are listening.  You should see a sharp rise
> > in its use here in Queensland in the near future.
> >
> > Thanks
> >
> > Damien O'Grady
> >
> >
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>