[R] Contents of R-help digest.-contouring
Prof Brian Ripley
ripley at stats.ox.ac.uk
Mon Jul 21 20:57:54 CEST 2003
On Mon, 21 Jul 2003, Duncan Murdoch wrote:
> On Mon, 21 Jul 2003 13:45:39 -0400, "john lewis"
> <john.lewis at sympatico.ca> wrote :
> >R- Users:
> >Can someone indicate what I am during wrong? This is a script essentially from
> >Venerable & Ripley's text on interpolating a surface with loess function but I can not get it to run.
> That's Venables...
> >topo.lo <- predict(topo.loess, expand.grid(topo.mar), se=T)
> >lo.1 <- as.data.frame(topo.lo)
> >lo.2 <- as.matrix(lo.1$fit)
> The problem is here. lo.2 ends up being a matrix with dimensions 4356
> by 1, because you didn't say what dimensions to use. Try this
> lo.2 <- matrix(lo.1$fit, length(topo.mar$x), length(topo.mar$y))
which is rather close to what the purported source actually has, including
in the on-line scripts installed with the MASS package under R.
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 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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