[R] Problem with % in an example when running R CMD check

[Peter Langfelder]

I observed the same behaviour some time ago. The .Rd files are
pre-processed using a latex-like typesetter that discards everything
following a % sign as comments, even in example R code.

http://r.789695.n4.nabble.com/Rd-file-processing-suggestion-sign-in-examples-td3459570.html

HTH,

Peter


On Tue, May 31, 2011 at 2:08 PM, Frank Harrell <f.harrell at vanderbilt.edu> wrote:
> Using
>
> platform       x86_64-pc-linux-gnu
> arch           x86_64
> os             linux-gnu
> system         x86_64, linux-gnu
> status
> major          2
> minor          13.0
> year           2011
> month          04
> day            13
> svn rev        55427
> language       R
> version.string R version 2.13.0 (2011-04-13)
>
> I am getting an error I haven't seen before when running R CMD check on a
> package:
>
> Warning: parse error in file 'rms-Ex.R':
> 14: unexpected symbol
> 376:     f <- ols(y ~ pol(x1,2) + pol(x2,2) + pol(x1,2)
> 377:              subset
>                  ^
> The original (quote old) code in an 'example' section of an .Rd file is:
>
>    f <- ols(y ~ pol(x1,2) + pol(x2,2) + pol(x1,2) %ia% pol(x2,2),
>             subset=group==g)
>
> Putting \ before the % gets around the problem but I didn't have to do that
> before.
>
> Any ideas?
> Thanks Frank
>
>
> -----
> Frank Harrell
> Department of Biostatistics, Vanderbilt University
> --