[R] Sweave and echoing code chunks conditionally

Sean Davis sdavis2 at mail.nih.gov
Mon Oct 6 21:41:34 CEST 2008

On Mon, Oct 6, 2008 at 3:30 PM, Gabor Grothendieck
<ggrothendieck at gmail.com> wrote:
> Try
> \SweaveOpts{echo=FALSE}
> or
> \SweaveOpts{echo=TRUE}

Perfect (and obvious).  Thanks.


> 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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