On Tue, Jun 26, 2012 at 10:54 PM, Erin Hodgess <erinm.hodg...@gmail.com> wrote: > Dear R People: > > I have dates as factors in the following: > >> poudel.df$DATE > [1] 1/2/2011 1/4/2011 1/4/2011 1/4/2011 1/6/2011 1/7/2011 1/8/2011 > [8] 1/9/2011 1/10/2011 > Levels: 1/10/2011 1/2/2011 1/4/2011 1/6/2011 1/7/2011 1/8/2011 1/9/2011 >> > > I want them to be "regular" dates which can be sorted, etc. > > But when I did this: > >> as.character(poudel.df$DATE) > [1] "1/2/2011" "1/4/2011" "1/4/2011" "1/4/2011" "1/6/2011" "1/7/2011" > [7] "1/8/2011" "1/9/2011" "1/10/2011" > > and >> as.Date(as.character(poudel.df$DATE),"%m/%d/$Y")
Right about ........... ^ should be a percent instead of a dollar sign. Also, probably can't hurt to used a named argument (but I don't think that's the problem here) In the future dput()-ery would be much appreciated. Michael > [1] NA NA NA NA NA NA NA NA NA > > because the dates do not have leading zeros. > > There are approximately 30 years of nearly daily data in the entire set. > > Any suggestions would be much appreciated. > > Sincerely, > Erin > > > -- > Erin Hodgess > Associate Professor > Department of Computer and Mathematical Sciences > University of Houston - Downtown > mailto: erinm.hodg...@gmail.com > > ______________________________________________ > 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. ______________________________________________ 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.