On Tue, Jul 8, 2008 at 2:43 PM, Gabor Grothendieck <[EMAIL PROTECTED]> wrote: > There is no data in your data frame, just index info, so I assume you > want a zero width time series: > > zoo(, as.yearmon(x$Yearmonth, "%Y-%m")) > > This also works but then you are left with a character date which you > may not want: > > zoo(, x$Yearmonth)
This last one should have been: zoo(, as.character(x$Yearmon)) since your data frame holds a factor rather than character column. > > > On Tue, Jul 8, 2008 at 1:43 PM, stephen sefick <[EMAIL PROTECTED]> wrote: >> #this is a subset of a larger data frame and I am okay with subsetting it as >> there are redundant time stamps, but I would like to create a zoo object out >> of this and I am having a hard #time figuring out how to do this the date >> structure is year and then month >> >> x <- structure(list(Yearmonth = structure(c(12L, 24L, 1L, 13L, 14L, >> 3L, 15L, 4L, 16L, 5L, 17L, 6L, 18L, 7L, 19L, 8L, 20L, 9L, 21L, >> 10L, 22L, 11L, 23L), .Label = c("2006-02", "2006-03", "2006-04", >> "2006-05", "2006-06", "2006-07", "2006-08", "2006-09", "2006-10", >> "2006-11", "2006-12", "2007-01", "2007-02", "2007-03", "2007-04", >> "2007-05", "2007-06", "2007-07", "2007-08", "2007-09", "2007-10", >> "2007-11", "2007-12", "2008-01"), class = "factor"), Month = c(1L, >> 1L, 2L, 2L, 3L, 4L, 4L, 5L, 5L, 6L, 6L, 7L, 7L, 8L, 8L, 9L, 9L, >> 10L, 10L, 11L, 11L, 12L, 12L)), .Names = c("Yearmonth", "Month" >> ), class = "data.frame", row.names = c(NA, 23L)) >> >> #thanks Stephen >> >> -- >> Let's not spend our time and resources thinking about things that are so >> little or so large that all they really do for us is puff us up and make us >> feel like gods. We are mammals, and have not exhausted the annoying little >> problems of being mammals. >> >> -K. Mullis >> >> [[alternative HTML version deleted]] >> >> ______________________________________________ >> 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.