[R-sig-Geo] Parallelization of LMZ.F3GWR.test in spgwr package

Erin Hodgess erinm@hodge@@ @ending from gm@il@com
Mon Jan 14 20:22:14 CET 2019


Thanks, I'll check it out.  Awesome!

Sincerely,
Erin


On Mon, Jan 14, 2019 at 12:21 PM Roger Bivand <Roger.Bivand using nhh.no> wrote:

> On Mon, 14 Jan 2019, Erin Hodgess wrote:
>
> > Would there actually be any interest in making GWR parallel, please?  I
> > enjoy messing with parallel stuff, but don’t want to spend time if it is
> > not productive.
>
> spgwr::gwr() takes a cl= argument to pass a parallel object into the
> function, but this only saves time if the fit.points are given as an
> argument, and where # fit points is >> # data points.
>
> Not checked for many years, used in: http://hdl.handle.net/11250/163254
> with no obvious easy advantage. Maybe worth revisiting?
>
> Roger
>
>
> >
> > Thanks for listening!
> > Sincerely,
> > Erin
> >
> > On Sat, Jan 12, 2019 at 1:56 PM Rolf Turner <r.turner using auckland.ac.nz>
> wrote:
> >
> >>
> >>
> >> On 1/13/19 1:06 AM, Roger Bivand wrote:
> >>
> >>> ... GWR is very demanding for computation. It should only ever be used
> >>> for exploring model mis-specification, never for inference or
> prediction.
> >>> So making a bad test on a bad method run faster should not be a
> priority.
> >>
> >> Fortune nomination!
> >>
> >> cheers,
> >>
> >> Rolf
> >>
> >> --
> >> Honorary Research Fellow
> >> Department of Statistics
> >> University of Auckland
> >> Phone: +64-9-373-7599 ext. 88276
> >>
> >> _______________________________________________
> >> R-sig-Geo mailing list
> >> R-sig-Geo using r-project.org
> >> https://stat.ethz.ch/mailman/listinfo/r-sig-geo
> >>
> >
>
> --
> Roger Bivand
> Department of Economics, Norwegian School of Economics,
> Helleveien 30, N-5045 Bergen, Norway.
> voice: +47 55 95 93 55; e-mail: Roger.Bivand using nhh.no
> https://orcid.org/0000-0003-2392-6140
> https://scholar.google.no/citations?user=AWeghB0AAAAJ&hl=en

-- 
Erin Hodgess, PhD
mailto: erinm.hodgess using gmail.com

	[[alternative HTML version deleted]]



More information about the R-sig-Geo mailing list