On Tue, Aug 30, 2011 at 1:36 PM, Christopher W Ryan <cr...@binghamton.edu> wrote: > Running R 2.13.1 on Windows XP. > I would like to get week of the year (1-52) for each date. > > library(chron) > dts <- dates(c("02/27/92", "02/27/92", "01/14/92","02/28/92", "02/01/92"))
Try this: as.numeric(cut(dts, "weeks")) -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at 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.