[Rd] Out-of-date manual or small bug in R CMD check?

[Duncan Murdoch]

On 11-08-29 6:37 PM, Gabriel Becker wrote:
> Hey all,
>
> I get a warning about an unsupported file type in the data directory during
> R CMD check (for R 2.13.1) if I use the save function to create an Rdata,
> but if I save the same object to a .rda file, no warning.
>
> Section 1.1.5 (pg 11 of the pdf) of the Writing R Extensions manual (2.13.1)
> appears to say that .Rdata files should be fine:
>
> " Data files can have one of three types as indicated by their extension:
> plain R code (‘.R’ or
> ‘.r’), tables (‘.tab’, ‘.txt’, or ‘.csv’, see ?data for the file formats,
> and note that ‘.csv’ is not
> the standard14 CSV format), or save() images (‘.RData’ or ‘.rda’). "
>
> Am I misunderstanding some difference between .rda and .Rdata files in terms
> of the save calls, or should R CMD check and the extensions manual agree on
> this?

.RData and .Rdata aren't the same.

Duncan Murdoch

>
> Thanks for all your hard work.
> ~G
>
> SessionInfo:
>
> R version 2.13.1 (2011-07-08)
> Platform: x86_64-pc-linux-gnu (64-bit)
>
> locale:
>   [1] LC_CTYPE=en_US.utf8       LC_NUMERIC=C
>   [3] LC_TIME=en_US.utf8        LC_COLLATE=en_US.utf8
>   [5] LC_MONETARY=C             LC_MESSAGES=en_US.utf8
>   [7] LC_PAPER=en_US.utf8       LC_NAME=C
>   [9] LC_ADDRESS=C              LC_TELEPHONE=C
> [11] LC_MEASUREMENT=en_US.utf8 LC_IDENTIFICATION=C
>
> attached base packages:
> [1] grid      stats     graphics  grDevices utils     datasets  methods
> [8] base
>
> other attached packages:
> [1] gridSVG_0.5-10      ProteinVis_0.4      latticeExtra_0.6-18
> [4] RColorBrewer_1.0-2  lattice_0.19-33
>
>
>
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