[R] Sweave: R code in self defined TeX-commands
Don MacQueen
macq at llnl.gov
Fri Jun 25 16:28:46 CEST 2004
Here are a couple of ideas (not tested). Neither is as succinct as
what you had in mind.
\newcommand{\meansd}{The mean is \Sexpr{mean(tmpvar)} and the
standard deviation is \Sexpr{sd(tmpvar)} .
<<echo=FALSE,results=hide>>=
tmpvar <- age
@
\meansd
<<echo=FALSE,results=hide>>=
tmpvar <- weight
@
\meansd
<<echo=FALSE,results=hide>>=
tmpvar <- height
@
\meansd
###### or perhaps ########
<<echo=FALSE,results=hide>>=
meansd <- function(x) cat('The mean is ',mean(x),' and the standard
deviation is ',sd(x),'.',sep='')
@
<<results=tex>>=
meansd(age)
@
<<results=tex>>=
meansd(weight)
@
<<results=tex>>=
meansd(height)
@
-Don
At 11:54 AM +0200 6/25/04, Martin Posch wrote:
>Hi,
>
>I need to produce a standard report for several variables in Sweave
>and thus would need the possibility to define a TeX-command which
>includes R-code like
>
>\newcommand{\meansd}[1]{The mean is \Sexpr{mean(#1)} and the
>standard deviation is \Sexpr{sd(#1)} .
> }
>and then just write
>
>\meansd{age}
>
>in the latex code to get the whole sentence.
>
>
>The above does not work, since Sweave ignores the \newcommand and
>does not expand the \statistics
>
>Is there an alternative way to achieve this?
>
>Thanks,
>Martin Posch
>
>
>
>Department of Medical Statistics
>Medical University of Vienna
>Schwarzspanierstr. 17, A-1090 Vienna
>Tel.: +43-1-4277-63205
>
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--
--------------------------------------
Don MacQueen
Environmental Protection Department
Lawrence Livermore National Laboratory
Livermore, CA, USA
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