[R] comma as decimal separator in xtable

[Henrique Dallazuanna]

Try this:

sapply(x, format, decimal.mark = ',')

On Wed, Sep 16, 2009 at 2:06 PM, Jakson A. Aquino
<jaksonaquino at gmail.com> wrote:
> On Wed, Sep 16, 2009 at 09:14:39AM -0300, Henrique Dallazuanna wrote:
>> Try this also;
>>
>> format(coef(summary(lm.D9)), decimal.mark = ',')
>>
>> or using gsub:
>>
>>  apply(coef(summary(lm.D9)), 2, gsub, pattern = "\\.", replacement = ",")
>>
>> using lm.D9 object from ?lm example.
>
> Thanks for your suggestion! The problem with the above approach is
> that all values get the same formatting. For example,
>
> x <- c(1.2, 1.2e10)
> format(x, format = 'g', decimal.mark = ',')
> [1] "1,2e+00" "1,2e+10"
>
> What I would like to get was:
> [1] "1,2" "1,2e+10"
>
> I already solved my problem, but I'm using an external program to
> replace "." with ",". Perhaps I should ask my question again, with a
> new subject, since what I need now is the perl regular expression
> equivalent to the sed command:
>
> s/\([0-9]\)a/a\1/
>
> That's is, "1a" becomes "a1"; "3b" becomes "b3", etc.
>
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-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O