[R] Emacs/R graphics / Win32

Dear all, apologies for a question that is probably more to the Windows that R/Emacs. Still, please, does anybody else encounter this problem? I use R-2.11.1 with GNU Emacs/ESS (the same behaviour with Xemacs 21.4.22/ESS) under WinXP (32bit). All runs ok but when invoking graphics window (any

[R] 2D kernel density estimation in non-contiguous space

Dear all, is there in R a function to run 2D kernel density estimation (similar to e.g. 'kde2d()') in a space that is split internally? I think about a store floor space - basically a rectangle but divided by shelves etc. into alleys. The points are people in the store and I would like to