On Sat, 30 Oct 2004, Neil Leonard wrote: > I was wondering how I would recode a variable as being NA (or missing). It is the values, not the variable that are NA. For example
x <- 1:20 ind <- x%%4==0 ind x[ind] <- NA # or is.na(x[ind]) <- TRUE That works for logical, integer, numeric, complex and character variables. (Raw and list vecctors do not have missing values.) -- Brian D. Ripley, [EMAIL PROTECTED] Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595 ______________________________________________ [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
