David Winsemius wrote: > > On Feb 14, 2010, at 10:33 AM, Johannes Graumann wrote: > >> Hello, >> >> When drawing "barcharts", I find it not helpful if ylim[1] != 0 - >> bars for a >> quantity of 0, that do not show a length of 0 are quite non-intuitive. >> >> I have tried to study >> > library(lattice) >> > panel.barchart >> but am unable to figure out where ylim is taken care of and how one >> might >> fix ylim[1] to 0 for barcharts ... >> >> Can anyone point out how to tackle this? > > Looking at Sarkar's "Lattice" text in chapter 8 section 3 "Limits and > Aspect Ratio", it appears from subsection 1 that the prepanel function > can used to supply values of xlim and ylim values. From subsection 2 > he clarifies that xlim and ylim can also be specified on a per panel > basis (and here I am guessing that this would be within a scales > argument) when relation="free". At the end of that section he offers > two examples using ylim: the first is not plotted but the second uses > the prepanel mechanism for Fig 8.1 and that is probably available on > the Lattice website. > > In the same subsection is offered an alternative to specifying an > explicit scales$y$limits to be interpreted as ylim values. > > My hope it that these ideas and references will be of some use in > identifying productive places to look for further documentation.
I am quite certain that this is the most elaborately worded version of "RTFM" I have ever come across. I shall go and do so. Sincerely, Joh ______________________________________________ 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.
