... Well, the syntax is corrected, but it doesn't solve her problem: ifelse() leaves NA's as NA's.
"But:, you ask, "what should NA's become?" As the OP does not tell us, we are left to read tea leaves: only the Shadow knows...* Cheers, Bert * The Shadow also knows about ?is.na, which the OP should also probably read about. In fact, she would do well to read the "Introduction to R" tutorial -- or perhaps another of her choosing on the web -- where she would probably learn enough so that she wouldn't have to send posts like this in the first place! Bert Gunter Genentech Nonclinical Biostatistics (650) 467-7374 "Data is not information. Information is not knowledge. And knowledge is certainly not wisdom." H. Gilbert Welch On Sun, Feb 9, 2014 at 8:52 PM, David Winsemius <[email protected]> wrote: > > On Feb 9, 2014, at 8:03 PM, Ana Genkova wrote: > >> Hello, >> >> I am trying the ifelse command for imputing a variable based on a >> conditional statement, but the NAs do not transform. The code I am trying >> is: >> >> ifelse (x==1, y=="NO", y=="YES"). However, the number of NAs remains the >> same after the attempt. I would like to turn all Y (NAs included) into a >> "YES" or a "NO". > > The "==" has no place in the second and third arguments to ifelse . It should > probably be: > > y <- ifelse (x==1, "NO", "YES") > > (And do note that "==" is not an assignment operator in any context.) > -- > > David Winsemius > Alameda, CA, USA > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
