Hi Chris,
'gsub' does exactly what you want:
gsub(",","",text)
so there is no need for a loop.
Btw. your loop assigns a new value to m in each step and you see only
the last assignment.
you could do something like
m <- paste(m,substring(text,i,i+2),sep = "")
hth
Am 03.02.2011 17:35, schrieb Chris82:
>
> Hello R users,
>
> I have a little problem with a for loop.
> Below there is an simple example of my problem.
>
> I want to delet the commas in the character string. Fore this reason I
> create a for loop to unpick the string and rebuild him without the commas.
> The problem is, that "paste" does not work in the loop as I expected.
>
> text <- "aaa,bbb,ccc,ddd"
>
> characterseq <- seq(1,15,4)
>
> for (i in characterseq ){
> m <- paste(substring(text,i,i+2),sep = "")
> }
>
>> m
> [1] "ddd"
>
>
> m should be "aaabbbcccddd" and not just "ddd"
>
>
>
> with best regards
>
> Chris
--
Eik Vettorazzi
Institut für Medizinische Biometrie und Epidemiologie
Universitätsklinikum Hamburg-Eppendorf
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