Thanks a lot for your help, Henrique and Sarah!
Dimitri
On Tue, Oct 13, 2009 at 1:37 PM, Sarah Goslee <sarah.gos...@gmail.com> wrote:
> As you've discovered, the . means something special in regular
> expressions (and R's version of them). You need to escape it with \\:
>
>> x<-data.frame(x=c("aa.bb","cc.dd.ee"))
>> x$x<-as.character(x$x)
>> x
> x
> 1 aa.bb
> 2 cc.dd.ee
>> sub("\\.", " ", x$x)
> [1] "aa bb" "cc dd.ee"
>> gsub("\\.", " ", x$x)
> [1] "aa bb" "cc dd ee"
>
> And to change all, you need gsub() rather than sub().
>
> Sarah
>
> On Tue, Oct 13, 2009 at 1:26 PM, Dimitri Liakhovitski <ld7...@gmail.com>
> wrote:
>> Dear R-ers!
>>
>> I have x as a variable in a data frame x.
>>
>> x<-data.frame(x=c("aa.bb","cc.dd.ee"))
>> x$x<-as.character(x$x)
>> x
>>
>> I am sorry for such a simple question - but how can I replace all
>> periods in x$x with spaces?
>>
>> sub('.', ' ', x$x) - removes all letters to the left of each period...
>>
>> Thanks a lot for your advice!
>>
>
>
>
> --
> Sarah Goslee
> http://www.functionaldiversity.org
>
--
Dimitri Liakhovitski
Ninah.com
dimitri.liakhovit...@ninah.com
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