Dear Gurus, I am so happy to thank you all for your great help!!! Jim's code first did it. Thanks again to everyone. Warmest regards Ogbos On Thu, Jan 23, 2020 at 10:42 AM Jim Lemon <drjimle...@gmail.com> wrote: > > Hi Ogbos, > Try this: > > oodates<-read.table(text="1963 335 0 > 1963 335 1 > 1963 335 2 > 1963 335 3 > 1963 335 4 > 1963 335 5 > 1963 335 6 > 1963 335 7 > 1963 335 8 > 1963 335 9 > 1996 202 20 > 1996 202 21 > 1996 202 22 > 1996 202 23 > 1996 203 0 > 1996 203 1 > 1996 203 2 > 1996 203 3 > 2018 365 20 > 2018 365 21 > 2018 365 22 > 2018 365 23") > oodates$Pdate<-strptime(paste(oodates[,1],oodates[,2],oodates[,3]), > format="%Y %j %H") > > Jim > > On Thu, Jan 23, 2020 at 8:24 PM Ogbos Okike <giftedlife2...@gmail.com> wrote: > > > > Dear Experts, > > I have a data spanning 56 years from 1963 to 2018. > > The datetime format is in DOY hour: > > 1963 335 0 > > 1963 335 1 > > 1963 335 2 > > 1963 335 3 > > 1963 335 4 > > 1963 335 5 > > 1963 335 6 > > 1963 335 7 > > 1963 335 8 > > 1963 335 9 > > 1996 202 20 > > 1996 202 21 > > 1996 202 22 > > 1996 202 23 > > 1996 203 0 > > 1996 203 1 > > 1996 203 2 > > 1996 203 3 > > 2018 365 20 > > 2018 365 21 > > 2018 365 22 > > 2018 365 23 > > When I used: > > as.Date(335,origin="1963-01-01"), for the first row, I got: > > [1] "1963-12-02" > > This is the format I want, though it is not yet complete. Time is missing. > > > > Again, I can't be doing this one after the other. I guess you have a > > better way of handling this. I have spent some time trying to get it > > right but I am really stuck. I would be most glad if you could spare > > your busy time to help me again. > > > > Thank you very much for your usual kind assistance. > > > > Best regards > > Ogbos > > > > ______________________________________________ > > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > > 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 -- To UNSUBSCRIBE and more, see 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.