This was precisely what I was looking for. I did not realize that chron package allows for this.
Thank you very much, Gabor. Many thanks also to Yihui for his kind assistance. Best Regards, Weiyang -----Original Message----- From: Gabor Grothendieck [mailto:[EMAIL PROTECTED] Sent: 11 September 2008 20:09 To: Weiyang Lim Cc: r-help@r-project.org Subject: Re: [R] How to obtain a sequence of dates consisting of only weekdays See ?is.holiday in chron, e.g. library(chron) s <- seq(from = chron("12/17/2007"), to = chron("8/25/2008")) s.weekday <- s[!is.holiday(s)] As discussed there one can also optionally define a .Holidays vector containing dates which will also be excluded. It also works with any class for which there is an as.chron method. R News 4/1 discusses various date classes. On Thu, Sep 11, 2008 at 4:31 AM, Weiyang Lim <[EMAIL PROTECTED]> wrote: > Dear R-users, > > How do I obtain a sequence of dates consisting of only weekdays without the > weekends in R? > > In S, I can do the following: > > timeSeq(from="12/17/2007", to="8/25/2008", by="weekdays") > > I tried using looking at timeSequence (fSeries package) and seq.Date (base > package) but I do not know if I can specify "weekdays" rather than "day". > > Hope to have some assistance. > > Thank you! > > Regards, > wy > > ********************************************************** > > The information provided in this e-mail is confidential and is for the sole > use of the recipient. 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Henderson Global Investors is the name under which Henderson Global Investors Limited (registered no. 906355), Henderson Fund Management plc (registered no. 2607112), Henderson Investment Funds Limited (registered no. 2678531), Henderson Investment Management Limited (registered no. 1795354) Henderson Alternative Investment Advisor Limited (registered no. 962757) and Henderson Equity Partners Limited (registered no.2606646) (each incorporated and registered in England and Wales with registered office at 4 Broadgate, London EC2M 2DA and authorised and regulated by the Financial Services Authority) provide investment products and services. Henderson Secretarial Services Limited (incorporated and registered in England and Wales, registered no. 1471624, registered office 4 Broadgate, London EC2M 2DA) is the name under which company secretarial services are provided. All these companies are wholly owned subsidiaries of Henderson Group plc (incorporated and registered in England ! and Wales, registered no. 2072534, registered office 4 Broadgate, London EC2M 2DA). We may record telephone calls or email for our mutual protection and to improve customer service. ______________________________________________ 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.
