[R] 3-D scatter plot laid over Surface plot

[Uwe Ligges]

Peter Kraft wrote:
> 
> Hello,
>  I have created a Fitness surface (persp()), with data that was created
>  by a tp spline procedure. Now I would like to superimpose a set (XYZ) of
>  existing points (from two different treatments) onto this surface.
>  I didn't come across any function or command that is able to do this in R.
>  Could somebody please help me in finding a solution to this problem

A message on R-help from Ben Bolker "[R] persp(): add second plane",
dated 14 Mar 2002, answers your question. You'll find it in the mailing
list archive.

Uwe Ligges
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