Thanks, Max. Right after sending that email I was frantically searching
for the 'Retract' button on my mailer, but evidently there isn't one ;-D.
Anyway, I'm not sure the entire package is installed during either R CMD
build or R CMD check, so I am not sure that will work. My ill-advised
idea of hard-coding the path won't work either, since the path will be
different for these two steps.
However, the obvious fix that occurred to me 1 nanosecond after hitting
'send' was that the saved objects should just be in the /inst/doc
directory with the .Rnw files instead of being in some other directory.
Originally I had the raw data in the /examples directory so users of my
package could practice using those data, but really I think the only use
is for building the vignettes, so moving to /inst/doc appears the most
reasonable course of action.
Best,
Jim
Kuhn, Max wrote:
> Jim,
>
> But I'm not sure if this works if the package has not been installed (or
> it might find a version already installed in your library path), but
> give it a try:
>
> load(system.file("examples", "somedata.Rdata", package = "PkgName"))
>
> Max
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of James MacDonald
> Sent: Monday, September 17, 2007 11:07 PM
> To: [EMAIL PROTECTED]
> Subject: [Rd] Best practices - R CMD check and vignettes
>
> Hi,
>
> I have a package that contains two vignettes that both use saved objects
>
> in the examples directory of the package. With previous versions of R I
> could have a code chunk in the vignette like this:
>
> <<echo=false>>=
> load("../examples/somedata.Rdata")
> @
>
> followed by a code chunk like
>
> <<eval=false>>=
> foo <- bar("data")
> @
>
> that simulated the actual reading in of the data (I use a saved object
> to limit package size).
>
> This passed check with previous versions of R, but under R-2.6.0alpha,
> the vignettes are dumped into an inst directory in the <package>.Rcheck
> directory, where Sweave() and texi2dvi() are run. Unfortunately, the
> above code chunks no longer work.
>
> I can certainly hard code the first chunk to find the .Rdata file, but I
>
> have to imagine there is a much more elegant way to do this.
>
> Any suggestions?
>
> Best,
>
> Jim
>
>
--
James W. MacDonald, M.S.
Biostatistician
Affymetrix and cDNA Microarray Core
University of Michigan Cancer Center
1500 E. Medical Center Drive
7410 CCGC
Ann Arbor MI 48109
734-647-5623
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