On Thu, 2006-03-02 at 20:06 -0600, xpRt.wannabe wrote: > Is there a way to show also the intermediate tick marks without the > values? > > Example: > > plot(cars) > > What would one do to show the tick marks in, say, gray color at the > increment of 1 without showing the actual values in-between the default > x > values: 5, 10, 15, 20, 25?
Try this: # Do the plot without the x axis plot(cars, xlim = c(0, 25), xaxt = "n") # Do the x axis in grey with tick marks at 0:25 # without labels axis(1, at = 0:25, labels = NA, col = "grey") # Now do the default tick marks in black with labels axis(1) See ?plot.default, ?par (for 'xaxt') and ?axis for more information. HTH, Marc Schwartz ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
