[R] replacing period with a space

[Dimitri Liakhovitski]

Thanks a lot for your help, Henrique and Sarah!
Dimitri

On Tue, Oct 13, 2009 at 1:37 PM, Sarah Goslee <sarah.goslee at 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 <ld7631 at 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.Liakhovitski at ninah.com