[Rd] Surprising behaviour of levelplot in lattice package

Deepayan Sarkar deepayan.sarkar at gmail.com
Wed Feb 13 20:47:06 CET 2008

On 2/13/08, Deepayan Sarkar <deepayan.sarkar at gmail.com> wrote:
> On 2/13/08, Wolfgang Huber <huber at ebi.ac.uk> wrote:
> > Hi Deepayan,
> >
> > levelplot from the lattice package produces a peculiar output when
> > called on a matrix whose column or row names contained duplicated
> > elements. In particular, the plot contains white stripes, and the
> > arrangement of data regions and axes labels seems messed up. I did not
> > see this documented (my apologies if this is an oversight) and guess
> > that it is unintended:
> Yes, the current design does not anticipate the possibility of
> duplicated row and column names. A fix may or may not be simple; I
> will look into it.

Actually, the fix should be easy. A workaround is

levelplot(m, ylim = colnames(m), xlim = rownames(m))


More information about the R-devel mailing list