> Is there a convenient way to edit this code to allow me to recode a list of > categories 'topic 1', 'topic 9' and 'topic 14', say, of the the old variable > 'oldvar' > as 'parenttopic' by means of the new variable 'newvar', while also mapping > system missing values to system missing values?
You could look at 'recode()' in the car package. There's a fair description of other options at http://www.uni-kiel.de/psychologie/rexrepos/posts/recode.html S Ellison ******************************************************************* This email and any attachments are confidential. Any use...{{dropped:8}} ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
