Hi x$dat <- as.Date(paste(x$Period,0,1, sep=""), format="%Y%m%d")
shall do it. Petr > -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-bounces@r- > project.org] On Behalf Of eric > Sent: Friday, November 16, 2012 12:46 AM > To: r-help@r-project.org > Subject: [R] Creating dates to plot > > I have a dataframe that looks like this: > > head(x) > Period AP Al MA BB > All > 1 200812 903,231 1,985,460 905,422 3,312,088 7,106,201 > 2 200901 880,491 1,924,111 892,980 3,006,050 6,703,631 > 3 200902 883,994 1,926,169 890,021 3,247,530 6,947,714 > 4 200903 888,021 1,901,182 892,593 3,216,730 6,898,526 > 5 200904 869,024 1,829,841 857,723 3,121,458 6,678,046 > 6 200905 847,450 1,776,100 847,593 3,110,783 6,581,925 > > x$Period is a numeric value that represents the year and month. How > would I take those values and turn them into dates so that I could plot > the various columns vs the date ? > > > > -- > View this message in context: http://r.789695.n4.nabble.com/Creating- > dates-to-plot-tp4649677.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.
