[R] extracting parts of words or extraxting letter to use in ifelse-func.

Patrizio Frederic frederic.patrizio at gmail.com
Fri Feb 13 11:03:54 CET 2009


hey Joe,
I had a quick look at your code. In this line:

b2$PRRSvac <- ifelse(b2$status=="MS-X, PRRS-pos"|b2$status=="R�d
SPF+Myc+Ap2+DK+Vac",1,0)

some special characters are used. You must use only plain ascii characters
Hope this help.

Cheers,

Patrizio

2009/2/13 joe1985 <johannes at dsr.life.ku.dk>:
>
> Hello
>
> I want to make some variables with the ifelse-function, but i don't know how
> to do it.
>
> I want to make these five variables;
>
> b2$PRRSvac <- ifelse(b2$status=='A' | b2$status=='Aa',1,0)
> b2$PRRSdk <- ifelse(b2$status=='B' | b2$status=='Bb',1,0)
> b2$sanVac <- ifelse(b2$status=='C' | b2$status=='sanAa',1,0)
> b2$sanDk <- ifelse(b2$status=='D'  | b2$status=='sanBb',1,0)
> b2$totalvac <- ifelse(b2$status=='San',1,0)
>
> And
>
> b2$UGT <- ifelse(b2$status=='UGT',1,0)
> b2$KOM <- ifelse(b2$status=='KOM',1,0)
>
> But, as one from this forum told me, it doesn't work because the words is in
> a wrong format or something like that.
>
> I have attached the text-file i've used, and the R-kode.
>
> Hope anyone can help me?
>
> text-file;
> http://www.nabble.com/file/p21993098/allesd%2528uden%2Bf%25C3%25B8r%2529060209.txt
> allesd%28uden+f%C3%B8r%29060209.txt
>
> R-kode (just run from line 1-22) ;
> http://www.nabble.com/file/p21993098/PRRS%2B%2528med%2Ballle%2BSD%2529.r
> PRRS+%28med+allle+SD%29.r
> --
> View this message in context: http://www.nabble.com/extracting-parts-of-words-or-extraxting-letter-to-use-in-ifelse-func.-tp21993098p21993098.html
> Sent from the R help mailing list archive at Nabble.com.
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>




More information about the R-help mailing list