On 13/11/2010 10:31 PM, Ralf B wrote:
Thank you. The article you cited explains on the last page how this is
done and shows how Sweave is run from within R and it says that it
creates the .tex file.
My last remaining question is now if there is a way to execute this
Sweave tex output by executing Latex from R. In other words, what is
the command to execute latex from within R. Or do I perhaps think to
complcated and there is a single command to create the tex and the
pdf/ps in a single step? At the end, I would like to create everything
between the Sweave document and the final pdf/ps output from within R
without the need to make external calls.
See SweavePDF() in the patchDVI package on R-forge.
Duncan Murdoch
Ralf
On Sat, Nov 13, 2010 at 4:29 PM, Johannes Huesing<johan...@huesing.name> wrote:
Ralf B<ralf.bie...@gmail.com> [Sat, Nov 13, 2010 at 10:03:49PM CET]:
It seems that Sweave is supposed to be used from Latex and R is called
during the LaTeX compilation process whenever R chunks appear.
This is not how it works.
In the first page of
http://www.statistik.lmu.de/~leisch/Sweave/Sweave-Rnews-2002-3.pdf
that the file is first processed by R before it can be typeset by
LaTeX.
What
about the other way round? I would like to run it triggered by R. Is
this possible?
To my understanding this is how it's done.
I understand that this does not correspond to the idea
of literate programming since it means that there is R code running
outside the document,
You lost me here.
but for my practical approach, I would like to
use Sweave more like a report extension at the end of my already
existing R scripts that combined a number of diagrams to a pdf file.
My second question is, does Sweave create a potential performance
bottleneck when used with very big data analysis compared with when
using R directly?
Not really, because the only overhead is tangling the Sweave file.
If it is very big, you may want to process only the parts you have
changed last. The package weaver seems to come in handy then, see
http://bioconductor.org/packages/2.6/bioc/vignettes/weaver/inst/doc/weaver_howTo.pdf
--
Johannes Hüsing There is something fascinating about science.
One gets such wholesale returns of conjecture
mailto:johan...@huesing.name from such a trifling investment of fact.
http://derwisch.wikidot.com (Mark Twain, "Life on the Mississippi")
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