On 29/ago/05, at 10:35, Prof Brian Ripley wrote:
> It does not crash for me on either Windows or Linux, but it does
> take a
> long time and the plot is a mess, so there does seem to be a
> lattice-related problem (maybe a usage one).
>
> However, I think the crash is a Mac (presumably quartz()) problem.
>
no, it also happens with the X11 device. BTW, it seems to be OS X
specific.
I'll try to debug
stefano
> On Mon, 29 Aug 2005, stefano iacus wrote:
>
>
>> 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" <[EMAIL PROTECTED]>
>>> Date: 28 agosto 2005 14:11:18 GMT+02:00
>>> To: [EMAIL PROTECTED]
>>>
>>>
>>> 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
>>>
>
> --
> Brian D. Ripley, [EMAIL PROTECTED]
> Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
> University of Oxford, Tel: +44 1865 272861 (self)
> 1 South Parks Road, +44 1865 272866 (PA)
> Oxford OX1 3TG, UK Fax: +44 1865 272595
>
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>
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