[R] R function for "interp"
Prof Brian Ripley
ripley at stats.ox.ac.uk
Mon Oct 2 15:55:24 CEST 2000
> Date: Mon, 02 Oct 2000 14:33:00 +0100
> From: José Ernesto Jardim <ernesto at ipimar.pt>
> Prof Brian Ripley wrote:
> > > Date: Mon, 02 Oct 2000 12:01:29 +0100
> > > From: José Ernesto Jardim <ernesto at ipimar.pt>
> > > How can I do the same has interp in s+ with R ? I've looked to
> > > "approxfun" but didn't figured out how to do it.
> > It's in package akima (on CRAN). I think interp,old there is the
> > closest equivalent.
> I found it but it's not working properly :-(
> If I do "contour(interp(X,Y,Z))" it stops without finishing the ploting
> the margins and borders fail.
> Is there any known reason why ?
Did you try interp.old *as I suggested*? There are working examples in
the V&R script ch14.R. The first of those does work with interp, so
perhaps your installation of package akima is broken?
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272860 (secr)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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