[R] extracting parts of words or extraxting letter to use in ifelse-func.
johannes at dsr.life.ku.dk
Fri Feb 13 10:38:31 CET 2009
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)
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?
R-kode (just run from line 1-22) ;
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