[Rd] Fwd: segfault

[stefano iacus]

This segfaults on OS X (10.4) on both X11 and quartz devices.
Seems a problem with lattice but I cannot test on other platforms
stefano


Begin forwarded message:

> From: "G. Sawitzki" <gs at statlab.uni-heidelberg.de>
> Date: 28 agosto 2005 14:11:18 GMT+02:00
> To: jago at mclink.it
>
>
> Dear Stefano,
>
>  this small exaple leads to a crash of R. I did not try it on  
> versions other than the Mac version. So I am sending it to you  
> directly. If it is a littice problem, could you pass it to Deepayan  
> Sarkar? Thank you.
>
>   g.
>
> ==
> #pbinom
> library(grid)
> library(lattice)
>
> n<-20
> psteps<-50
> binomtable<- function (n,psteps){
> x<-(0:(10*n))/10
> p<- (0:psteps)/psteps
> dd<-expand.grid(x=x,p=p)
> dd$F<- pbinom(dd$x,n,dd$p)
> dd$x0<-trunc(dd$x)
> dd
> }
>
> bt<-binomtable(n=5,psteps=100)
> bt[bt$x-bt$x0>=0.9,]$F<-NA
> wireframe(bt$F~bt$x*bt$p,bt,groups=bt$x0,shade=TRUE) # leads to R  
> crash
> #wireframe(bt$F~bt$x*bt$p,bt,shade=TRUE) #ok
>