[Rd] Antwort: Re: R on Windows crashes when using certain (PR#14143)

[g.russell at eos-solutions.com]

The new version of R-devel from yesterday morning seems to have fixed bug=20
14114! Thanks a lot for your help.

Duncan Murdoch <murdoch at stats.uwo.ca> schrieb am 14.12.2009 13:34:35:

> On 10/12/2009 4:20 AM, karl at huftis.org wrote:
> > Full=5FName: Karl Ove Hufthammer
> > Version: 2.10.0
> > OS: Windows XP
> > Submission from: (NULL) (93.124.134.66)
> >=20
> >=20
> > I have found a rather strange bug in R 2.10.0 on Windows, where=20
> the choice of
> > characters used in a string make R crash (i.e., Windows shows a=20
> dialogue saying
> > that the application has a problem, and must be closed).
>=20
> This was related to encoding changes.  It likely appeared=20
> Windows-specific because Windows uses a different default encoding than=20
> most Linux systems.  I believe it is fixed now in R-devel, and it will=20
> soon make it into 2.10.1-patched, but it came too late to make it into=20
> today's release.
>=20
> I believe PR#14114 was the same issue and is also fixed, but I did less=20
> testing of it.  I'd appreciate it if those who saw either bug in real=20
> code test the patches.  They should be in today's tarball of R-devel,=20
> and did make it into the Windows binary build of R-devel this morning.
>=20
> Duncan
>=20
> >=20
> > I can reproduce the bug on two separate systems running Windows XP,=20
and with
> > both R 2.10.0 and the latest R.2.10.1 RC.
> >=20
> > The following commands trigger the crash for me:
> >=20
> > n=3D1e5
> > k=3D10
> > x=3Dsample(k,n,replace=3DTRUE)
> > y=3Dsample(k,n,replace=3DTRUE)
> > xy=3Dpaste(x,y,sep=3D" =D7 ")
> > z=3Dsample(n)
> > d=3Ddata.frame(xy,z)
> >=20
> > The last step takes very long time, and R crashes before it's=20
finished. Note
> > that if I reduce n, the problem disappears. Also, if I change the =D7 (a
> > multiplication symbol) to a x (a letter), the problem also=20
> disappears (and the
> > last command takes almost no time to run).
> >=20
> > I originally discovered this (or a related?) bug while using=20
> 'unique' on a data
> > frame similar to the 'd' data frame defined above, where R would=20
> often, but not
> > always, crash.=20
> >=20
> >> sessionInfo()
> > R version 2.10.0 (2009-10-26)=20
> > i386-pc-mingw32=20
> >=20
> > locale:
> > [1] LC=5FCOLLATE=3DNorwegian-Nynorsk=5FNorway.1252=20
> > [2] LC=5FCTYPE=3DNorwegian-Nynorsk=5FNorway.1252=20
> > [3] LC=5FMONETARY=3DNorwegian-Nynorsk=5FNorway.1252
> > [4] LC=5FNUMERIC=3DC=20
> > [5] LC=5FTIME=3DNorwegian-Nynorsk=5FNorway.1252=20
> >=20
> > attached base packages:
> > [1] stats     graphics  grDevices utils     datasets  methods   base
> >=20
> > =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=
=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F
> > R-devel at r-project.org mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-devel
>=20