Dear Henrique, This is exactly what I need. Thank you very much for your help!
rcoder Henrique Dallazuanna wrote: > > Try this: > > x <- data.frame(Dates = seq(as.Date('2008-01-01'), > as.Date('2008-01-31'), by = > 'days'), > Values = sample(31)) > > subset(x, Dates %in% as.Date(c('2008-01-05', '2008-01-20'))) > > On 8/13/08, rcoder <[EMAIL PROTECTED]> wrote: >> >> Hi everyone, >> >> I want to extract data from a data set according to dates specified in a >> vector. I have created a blank matrix with row names (dates) that I want >> to >> extract from the full data set. I have then performed a merge to try to >> o/p >> rows corresponding to common dates to a results matrix, but the operation >> did not fill the results matrix. Coulc anyone offer any advice to assist >> with this operation? >> >> Thanks, >> >> rcoder >> -- >> View this message in context: >> http://www.nabble.com/merging-data-sets-to-match-data-to-date-tp18962197p18962197.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. >> > > > -- > Henrique Dallazuanna > Curitiba-Paraná-Brasil > 25° 25' 40" S 49° 16' 22" O > > ______________________________________________ > 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. > > -- View this message in context: http://www.nabble.com/merging-data-sets-to-match-data-to-date-tp18962197p18969953.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.