[R] if else statements in data frame

ozgrerg ozgrgun at gmail.com
Sun Apr 17 00:17:28 CEST 2011

Thanks for the answers. They were very helpful. I did it like below.

data$z <- ifelse(data$x == "A" & data$y == "A", "NA", "B").

That is enough for today. I guess I learned a enough today. Thanks to
everbody who tried to help. 

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