On Sun, Mar 30, 2008 at 5:52 AM, Jean lobry <[EMAIL PROTECTED]> wrote: > Dear all, > > I'm confused by the time serie parameters in data(lh) : > > sueoka:~ lobry$ R --vanilla --quiet > > tsp(lh) > [1] 1 48 1 > > because documentation says: > > QUOTE > A regular time series giving the luteinizing hormone in blood > samples at 10 mins intervals from a human female, 48 samples. > UNQUOTE > > So that I would expect the time serie to end at 480 minutes > or 8 hours. Shouldn't we have something like: > > > tsp(lh) <- c(10, 480, 0.1) # in Minutes > > or > > > tsp(lh) <- c(1/6, 8, 6) # in Hours
It seems they are using 10 minutes as the unit of measurement. If you wish to change it to hours you might want to use this instead: lh.hr <- ts(lh, start = 0, frequency = 6) so that cycle(lh.hr) starts out at 1. ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel