[R] plot problem

[Roger Bivand]

On Mon, 21 Aug 2006, Daniil Ivanov wrote:

> Ok, what is wrong with a following code:
> 
> # remove all the present objects
> rm(list = ls())
> 
> # load the libraries we need
> library(gstat)
> 
> data(meuse)
> vgm1 <- variogram(log(zinc)~1, ~x+y, meuse)
> plot(vgm1)
> dev.copy2eps(file="fig2.eps",horizontal=T)
> dev.off()
> 
> it plots nothing
> but from the R console

gstat:::plot.gstatVariogram uses xyplot, a lattice graphics method, to 
make it easy to plot directional variograms. So please put print() round 
the plot(), see FAQ 7.22. 

> 
> plot(vgm1)
> 
> gives me a plot.
> 
> Thanks, Daniil.
> 
> On 8/21/06, Daniil Ivanov <daniil.ivanov at gmail.com> wrote:
> > Hi,
> >
> > Ok, thanks to all.
> > Problem was with class of variogram
> >
> > > class(vgm1)
> > [1] "gstatVariogram" "data.frame"
> >
> > If I fix it manually to
> >
> > class(vgm1) <- "gstatVariogram"
> >
> > everything runs as it should.
> >
> > Thanks, Daniil.
> 
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> 

-- 
Roger Bivand
Economic Geography Section, Department of Economics, Norwegian School of
Economics and Business Administration, Helleveien 30, N-5045 Bergen,
Norway. voice: +47 55 95 93 55; fax +47 55 95 95 43
e-mail: Roger.Bivand at nhh.no