[GRASS-user] [Fwd: Re: r.regression.line... differences with regression function LINEST in openoffice.org-calc (?)]

[Markus Neteler]

On Feb 2, 2008 4:45 PM, Nikos Alexandris
<nikos.alexandris at felis.uni-freiburg.de> wrote:
...
> Your results agree with LINEST in openoffice.org.
>
> I understand that I missed some detail...
>
> [Is the region resolution affecting the results?]

For sure it is!

> And I can't find the "-s" flag.
>
> Is it in r.regression.line?

Yes, recently added (see my message below).

Markus

> Markus Neteler OSGeo wrote:
> > I have replicated (partially) your experiment:
> >
> [...]
>
> > # note the new -s flag for slow but accurate computation in
> > # case of FP maps
>
> [...]
>
> >
> > It would be good to have a bit more statistics in r.regression.line.
> >
> > Best,
> > Markus