[R] Sweave and echoing code chunks conditionally

[Gabor Grothendieck]

Try

\SweaveOpts{echo=FALSE}
or
\SweaveOpts{echo=TRUE}

to set the default for echo one way or the other.

On Mon, Oct 6, 2008 at 3:27 PM, Sean Davis <sdavis2 at mail.nih.gov> wrote:
> I have started to use Sweave to prepare reports for "end-users" of
> statistical analyses.  For these users, there is not generally
> interest in the code used to accomplish the analysis, but only the
> results.  However, sometimes I would like to prepare the same
> document, but with code chunks echoed, for my own use "on-the-fly"
> when discussing the statistical results.  Is there a convenient way to
> set things up so that with a single switch I can change things like
> echo behavior throughout a document?  Of course, a quick sed script
> would do the trick, but I was interested in other ideas?
>
> Thanks,
> Sean
>
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