I would look at using the package 'zoo' your time series data would be a zoo object and then your date data would be coerced as well,
zoo, is very slick. On Thu, Nov 4, 2010 at 12:18 PM, <govin...@msu.edu> wrote: > > > Hi all, > > I have a matrix as given below... > > year month day prec > 1 1980 10 1 13.4 > 2 1980 10 2 0.0 > 3 1980 10 3 0.0 > 4 1980 10 4 0.0 > 5 1980 10 5 0.0 > 6 1980 10 6 0.0 > 7 1980 10 7 0.0 > 8 1980 10 8 0.0 > 9 1980 10 9 0.0 > 10 1980 10 10 0.0 > 11 1980 10 11 7.4 > 12 1980 10 12 5.4 > 13 1980 10 13 7.2 > 14 1980 10 14 0.0 > 15 1980 10 15 0.0 > 16 1980 10 16 0.0 > 17 1980 10 17 41.2 > 18 1980 10 18 0.0 > 19 1980 10 19 0.0 > 20 1980 10 20 0.0 > 21 1980 10 21 0.0 > 22 1980 10 22 0.0 > 23 1980 10 23 0.0 > 24 1980 10 24 0.0 > 25 1980 10 25 0.0 > 26 1980 10 26 0.0 > 27 1980 10 27 2.0 > 28 1980 10 28 0.0 > 29 1980 10 29 0.0 > 30 1980 10 30 0.0 > 31 1980 10 31 0.0 > 32 1980 11 1 0.0 > 33 1980 11 2 0.0 > 34 1980 11 3 0.0 > 35 1980 11 4 0.0 > 36 1980 11 5 12.4 > > the precipitation values extend from 1980 to 2005, but only for october, > november and december. I would like to plot just these 3 months for the > given time period (1980 - 2005). Is there a way to get these values in the > x-axis. i.e. i need a plot with its axis reading "1980, 1981, 1982 .. 2005" > (even if the months are specified then it should be of more use). for now, > i get an axis like .. "0, 500, ... 2000" (the plot is giving the index > values). > > i tried changing the freq as given below, but did not work! > ts.chn <- ts(chn.arr[1:2386,4], start=c(1980, 10), end=c(2005, 12), > freq=365) > plot(ts.chn) > > -- > Regards, > Mahalakshmi > Graduate Student > #20, Department of Geography > Michigan State University > East Lansing, MI 48824 > [[alternative HTML version deleted]] > > > _______________________________________________ > R-sig-Geo mailing list > R-sig-Geo@stat.math.ethz.ch > https://stat.ethz.ch/mailman/listinfo/r-sig-geo > > [[alternative HTML version deleted]] _______________________________________________ R-sig-Geo mailing list R-sig-Geo@stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-sig-geo
