On Thu, 2003-06-05 at 18:26, Deepayan Sarkar wrote: > On Thursday 05 June 2003 06:41, Ernesto Jardim wrote: > > Hi > > > > I'm doing a xyplot and I wand to reduce the number of tick marks in the > > x axis. My x axis are month and I want to reduce the 12 tick marks to 4. > > I used the scales argument but it doesn't seem to work, althougth it > > works on y axis if I use scales=list(tick.number=4). > > By 'month', so you mean a POSIXct object ? lattice is not very good with > those. > > The other possibility is that your mes is a factor (or a character vector, > which is essentially the same). In that case, tick.number will have no effect > (it works only for numeric). You could do something like > > xlim = c('Jan', '', '', 'Apr', '', '', 'Jul', '', '', 'Oct', '', '') > > > > xyplot(land~mes|porto+arte,data=hom.land.mpa[hom.land.mpa$arte!="pseine",], > >type="l",scales=list(x=list(tick.number=4))) > > > > Regards > > > > EJ
Hi You're correct my "mes" variable is a factor. But I can transform it to a numeric variable or use your sugestion. It would be nice to add this restrition to the lattice documentation. Regards and thanks EJ ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help