Ben Bolker wrote:
> I'm resending this after a decent interval of 20 days -- any
> opinions? Should I file it as a bug report? Is it my mistake?
>
It just slipped through the cracks, I suppose. I think it looks like a
buglet -- the [[1]] in dimnames(args[[i]])[[1]] doesn't make sense
unless dim(args[[i]]) is nonscalar. The suggested fix should be neutral
since nrow(x)==dim(x)[1] by definition.
I've fixed it now, but in principle it is the kind of material that bug
reports are made of.
-p
> cheers
> Ben Bolker
>
>
> -------- Original Message --------
> Subject: buglet (?) in de.restore()
> Date: Tue, 21 Aug 2007 13:29:33 -0400
> From: Ben Bolker <[EMAIL PROTECTED]>
> To: r-devel@r-project.org
>
>
>
> If one calls data.entry() with a matrix:
>
> A = matrix(0,2,2)
> data.entry(A)
>
> everything works fine except that it triggers a warning:
>
> Warning message:
> the condition has length > 1 and only the first element will be used in:
> if (dim(x) == dim(args[[i]])) rn <- dimnames(args[[i]])[[1]] else rn
> <- NULL
>
> This is triggered by the following lines in de.restore() [in
> src/library/utils/R/de.R]:
>
>> if( dim(x) == dim(args[[i]]) )
>> rn <- dimnames(args[[i]])[[1]]
>> else rn <- NULL
>>
> It would seem to make sense to replace the condition with
>
> if (nrow(x) == nrow(args[[i]]))
>
> (de.restore() is only called if an element of the list passed to
> data.entry
> has more than one column)
>
> On a side note, I'm curious why
>
>
>>> A = matrix(0,2,2)
>>> is.vector(A)
>>>
>> [1] FALSE
>>
>>> is(A,"vector")
>>>
>> [1] TRUE
>>
> ...
>
> ------------------
> sessionInfo()
> R version 2.5.1 (2007-06-27)
> i486-pc-linux-gnu
>
> locale:
> LC_CTYPE=en_US.UTF-8;LC_NUMERIC=C;LC_TIME=en_US.UTF-8;LC_COLLATE=en_US.UTF-8;LC_MONETARY=en_US.UTF-8;LC_MESSAGES=en_US.UTF-8;LC_PAPER=en_US.UTF-8;LC_NAME=C;LC_ADDRESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=en_US.UTF-8;LC_IDENTIFICATION=C
>
> attached base packages:
> [1] "stats" "graphics" "grDevices" "utils" "datasets" "methods"
> [7] "base"
>
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> https://stat.ethz.ch/mailman/listinfo/r-devel
>
--
O__ ---- Peter Dalgaard Øster Farimagsgade 5, Entr.B
c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K
(*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907
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