Thanks so much! I thought R places NA for missing values. I'll have to read up on it more. Thanks again!
On May 18, 2:23 pm, Marc Schwartz <marc_schwa...@me.com> wrote: > On May 18, 2012, at 2:26 PM, Giggles wrote: > > > I am a newbie and can't figure out how to recode a numeric value. In > > my data (pharm311), I have a column called "explain" and I need to > > find all the 6's and change it to NA (blank). Could someone help? > > > I'm sorry if this is too basic, I started messing with R this week and > > got stuck with this problem since yesterday... > > > Thanks in advance! > > The easiest and canonical way would be: > > is.na(pharma311$explain) <- pharma311$explain == 6 > > See ?is.na for more information. > > Just to be picky, an NA value is not the same as blank. That is NA != "". R > has specific behavior in dealing with NA values. > > Regards, > > Marc Schwartz > > ______________________________________________ > r-h...@r-project.org mailing listhttps://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guidehttp://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ 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.