Perhaps with the dcolumn package ?
http://newton.ex.ac.uk/research/qsystems/people/latham/LaTeX/dcolumn.pdf

David

2009/9/16 Jakson A. Aquino <jaksonaquino@gmail.com>

> On Wed, Sep 16, 2009 at 07:11:46AM +0200, Schalk Heunis wrote:
> > This might be of help, first applies the
> formatting:print(xtable(prettyNum(d,
> > decimal.mark=",")))
>
> Thanks! Your solution works for the example that I gave.
> However, I failed to provide an example that really represent my
> problem because I'm passing a lm object to xtable.
>
> Currently, I'm using the following function, which also puts the
> table header in bold font:
>
> tabprint <- function(x, ...) {
>  colsani <- function(x){paste("{\\bf ", x, "}", sep = "")}
>  p <- capture.output(print(x, caption.placement = "top",
>        sanitize.colnames.function = colsani, ...))
>  writeLines(p, "/tmp/xtableOutPut")
>  system("sed -i -e 's/\\([0-9]\\)\\.\\([0-9]\\)/\\1,\\2/g'
> /tmp/xtableOutPut")
>  p <- readLines("/tmp/xtableOutPut")
>  cat(p, sep = "\n")
> }
>
> tabprint(xtable(lm.model))
>
> I could call gsub() if I knew the perl regular expression
> equivalent to the sed one that I'm using.
>
>
> > On Tue, Sep 15, 2009 at 5:06 PM, Jakson A. Aquino <
> jaksonaquino@gmail.com>wrote:
> >
> > > Hello,
> > >
> > > How can I make xtable print a comma as decimal separator? Setting
> > > the option OutDec isn't enough for xtable:
> > >
> > > library(xtable)
> > > options(OutDec = ",")
> > >
> > > x <- c(1.1, 1.2, 1.3)
> > > y <- c(2.3, 2.2, 2.1)
> > > d <- data.frame(x, y)
> > >
> > > d
> > > print(xtable(d))
> > >
> > >
> > > Thanks!
> > >
> > > Jakson Aquino
> > >
> > > ______________________________________________
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> > > PLEASE do read the posting guide
> > > http://www.R-project.org/posting-guide.html
> > > and provide commented, minimal, self-contained, reproducible code.
> > >
> >
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> >
> > ______________________________________________
> > R-help@r-project.org mailing list
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> > PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>

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