[R] number of ticks in a persp() plot

David Winsemius dwinsemius at comcast.net
Sun Mar 29 04:20:08 CEST 2009

a s <aquestsi <at> gmail.com> writes:

> Hi, I am trying to specify four ticks (at 0,1,2,3 for the y axis) in a persp
> plot but the defaults overrule my specification and I obtain seven of them.
> Is it possible to gain full control over them in such a plot? Here is my
> code:
> matlines=matrix(c(1:7,3:9,3:9,2:8),nrow=7,ncol=4)
> persp(x=seq(1,7,1),

I am puzzled. You have just specified 7 "x" coordinates. Why did you expect to 
get fewewer than 7 points?

David Winsemius

> ylab="y",zlab="z")
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