Re: [R] if else statements in data frame

From: helin_susam <helin.susam_at_gmail.com>
Date: Sat, 16 Apr 2011 15:09:21 -0700 (PDT)

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") else
z[i]=c("NA")
}

cbind(data,z)

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Received on Sun 17 Apr 2011 - 00:01:04 GMT

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