justin bem wrote:> Hi,
>
> I want to know where I can get the sweave package
>
Sweave() is a function in the "utils" package which ships with R.
Uwe Ligges
> Justin BEM
> El?ve Ing?nieur Statisticien Economiste
> BP 294 Yaound?.
> T?l (00237)9597295.
>
>
>
> ----- Message d'origine ----
> De : Marc Schwartz <MSchwartz at mn.rr.com>
> ? : Gabor Grothendieck <ggrothendieck at gmail.com>
> Cc : R-Help <r-help at stat.math.ethz.ch>
> Envoy? le : Vendredi, 20 Octobre 2006, 5h06mn 09s
> Objet : Re: [R] how to replace the second "-"
>
>
> Just another possibility:
>
>> sub("-([0-9])$", "0\\1", c("1-1-1",
"1-1-2", "1-2-1"))
> [1] "1-101" "1-102" "1-201"
>
> Regards,
>
> Marc Schwartz
>
> On Thu, 2006-10-19 at 23:38 -0400, Gabor Grothendieck wrote:
>> Try this:
>>
>> sub("(-[^-]*)-", "\\10", c("1-1-1",
"1-1-2", "1-2-1"))
>>
>>
>> On 10/19/06, ronggui <ronggui.huang at gmail.com> wrote:
>>> I have a string vector like these:
>>> [1] "1-1-1" "1-1-2" "1-2-1"
>>>
>>> And I wanna replace the second "-" with "0",
that is, I wanna get the result
>>> like: [1] "1-101" "1-102" "1-201".
>>>
>>> How should I write the Regular Expressions? Thanks!
>>>
>>> --
>>> ??????
>>> Department of Sociology
>>> Fudan University
>>>
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>
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