[R] Colsplit, removing parts of a string

Johannes Radinger johannesradinger at gmail.com
Thu Sep 27 15:41:24 CEST 2012


Thank you,

this works perfectly...

best regards,
Johannes

On Thu, Sep 27, 2012 at 1:43 PM, Ista Zahn <istazahn at gmail.com> wrote:
> Hi Johannes,
>
> On Thu, Sep 27, 2012 at 7:25 AM, Johannes Radinger
> <johannesradinger at gmail.com> wrote:
>> Hi,
>>
>> I am using colsplit (package = reshape) to split all strings
>> in a column according to the same patterns. Here
>> an example:
>>
>> library(reshape2)
>>
>>
>> df1 <- data.frame(x=c("str1_name2", "str3_name5"))
>> df2 <- data.frame(df1, colsplit(df1$x, pattern = "_", names=c("str","name")))
>>
>> This is nearly what I want but I want to remove the words "str" and
>> "name" from the values, because the columns are already named with
>> that words. Is there a way to remove them using colsplit? Or any other
>> simple way?
>
> You can remove them afterwords, e.g.,
>
> df2$str <- gsub("[^0-9]", "", df2$str)
> df2$name <- gsub("[^0-9]", "", df2$name)
>
> Best,
> Ista
>
>>
>> /johannes
>>
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