On Sun, 16 Nov 2003, Tom Hopper wrote: > I'm just getting in to R, been reading manuals (thanks to all who > provided pointers to good docs!), and messing with different commands. > I'd appreciate a little help with this exploration, and I hope that my > question is relatively easy to answer (probably, there's a simple way > to do what I'm working toward). > > R's statistical functions are coming along easily enough, but graphics > seem to be a little tougher for me, probably because I'm used to > working in SigmaPlot. As an exercise, I tried to create a gray bar > chart with white grid overlay, like the one on page 128 of Tufte's > "Visual Display of Quantitative Information." I figure this would > cover a lot of the basic techniques that I'll need for "real" work. I > got as far as having a gray bar chart (I was working within hist(), > mostly) with white borders, white (on white background) axes, white > grid *under* the bars, and both x- and y-axis labels (both the numeric > or categorical label, and the axis titles...I don't quite remember the > correct terms in R). > > I wasn't able to find a way to display only the gridlines parallel to > the x-axis, or to overlay that grid on top of the bars, or to turn off > the numeric labels on the x-axis without touching the y-axis, or to > show the x-axis as a gray line without showing the y-axis.
?grid (and the hint in the details). ?par and look at xaxt and yaxt. Then use axis() to add the axes you want. -- Brian D. Ripley, [EMAIL PROTECTED] Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595 ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help
