Re: [R] if else statements in data frame

Thanks alot B77S. That was a critical post. -- View this message in context: http://r.789695.n4.nabble.com/if-else-statements-in-data-frame-tp3454646p3455077.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r-project.org mailin

Re: [R] if else statements in data frame

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. -- View this message in context: http://r.789695.n4.nabble.com/i

Re: [R] if else statements in data frame

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) -- View this message in context: http://r.789695.n

[R] if else statements in data frame

Dear R experts, I have again a problem. Let I have a data frame like below: x y -- A A A B B B A B where x and y are the column names. I want to create a new column z where it is elements will be like that, if at each row has there at least one 'B', then z wi