anna freni sterrantino <annafreni <at> yahoo.it> writes:
> I've got this error while running
>
> example(Glm)
>
> library("rms")
> > example(Glm)
[snip]
> Glm> f <- Glm(counts ~ outcome + treatment, family=poisson())
> Error in Design(eval(mf, parent.frame())) :
> dataset dd not found for options(datadist=)
> sessionInfo()
> R version 2.12.1 Patched (2011-01-08 r53945)
> Platform: x86_64-unknown-linux-gnu (64-bit)
>
[snip]
>
> attached base packages:
> [1] tcltk tools splines stats graphics grDevices utils
> [8] datasets methods base
>
> other attached packages:
> [1] lattice_0.19-17 debug_1.2.4 mvbutils_2.5.4 rms_3.1-0
> [5] mgcv_1.7-2 Hmisc_3.8-3 survival_2.36-2 foreign_0.8-41
>
> loaded via a namespace (and not attached):
> [1] cluster_1.13.2 grid_2.12.1 Matrix_0.999375-46
> nlme_3.1-97
>
> While I don't have this issue on another R-machine
> > sessionInfo()
> R version 2.12.1 (2010-12-16)
> Platform: i686-pc-linux-gnu (32-bit)
>
[snip]
> attached base packages:
> [1] splines stats graphics grDevices utils datasets methods
> [8] base
>
> other attached packages:
> [1] rms_3.1-0 Hmisc_3.8-3 survival_2.36-2
>
> loaded via a namespace (and not attached):
> [1] cluster_1.13.2 grid_2.12.1 lattice_0.19-13 tools_2.12.1
Interesting. One is 64-bit and the other is 32-bit.
I also see that you have different sets of packages loaded.
I would recommend (1) trying with R --vanilla, to make sure
that you are starting from a clean session; (2) perhaps, if
you're up to it, using traceback() and/or options(error=recover)
to try to track the problem a bit farther; (3) contacting
the package maintainer ...
Ben Bolker
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