[R] if else statements in data frame

helin_susam helin.susam at gmail.com
Sun Apr 17 00:09:21 CEST 2011

Hi ozgrerg,

I am not a "good" R user, but according to me you can do this;

data <- data.frame(x=c("A","A","B","A"), y=c("A","B","B","B"))
for (i in 1:nrow(data)){
if(data$x[i]=="B"||data$y[i]=="B") z[i]=c("B")


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