# 1 d <- Sys.Date() seq(d, len = 2, by = "2 months")[2] # 2 as.numeric(format(d, "%w")) # 0 = Sunday # or format(d, "%a")
See R News 4/1 for more info and the table at the end of it in particular. On Fri, Jan 30, 2009 at 9:54 AM, ehxpieterse <eduard.piete...@macquarie.com> wrote: > > Hi there, > > I am completely new to R and would like to do two things with date > functions: > 1. Compute any date from a specified starting point, e.g. x - 2 months > 2. How do I determine the weekday of any given date? > > Thanks in advance > -- > View this message in context: > http://www.nabble.com/Date-functions-tp21748580p21748580.html > Sent from the R help mailing list archive at Nabble.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.
