Amit Patel <[EMAIL PROTECTED]> [Tue, Sep 16, 2008 at 03:32:01PM CEST]: > Does anyone know an easy way to convert all the zero values in a imported csv > table into NA's
Depends on the data structure you gave your imported table. In a single numeric vector (named, say, vec), the syntax is is.na(vec[vec==0]) <- TRUE -- Johannes Hüsing There is something fascinating about science. One gets such wholesale returns of conjecture mailto:[EMAIL PROTECTED] from such a trifling investment of fact. http://derwisch.wikidot.com (Mark Twain, "Life on the Mississippi") ______________________________________________ R-help@r-project.org 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.