On Apr 4, 2011, at 12:45 PM, Marius Hofert wrote:

Dear David,

I intended to use another x-label. But your suggestion brings me to the idea of just using a two-line xlab, so s.th. like print(xyplot(0 ~ 0, xlab.top = "This title is now 'centered' for the human's eye", xlab = "but subtitles are _now_ centered\nbla", scales = list(alternating = c(1,1), tck = c(1,0))))

And if you wanted different fontface (underline, italic or bold) then you could use plotmath expressions:

xyplot(0 ~ 0, xlab.top = "This title is now 'centered' for the human's eye", xlab = expression( atop(but~subtitles2~are~underline(now)~centered, bold(bla) )), scales = list(alternating = c(1,1), tck = c(1,0)))

--
David.


Thanks!

Cheers,

Marius

On 2011-04-04, at 16:47 , David Winsemius wrote:


On Apr 4, 2011, at 7:39 AM, Marius Hofert wrote:

Dear expeRts,

I recently asked for a real "centered" title (see, e.g., http://tolstoy.newcastle.edu.au/R/e13/help/11/01/0135.html) . A nice solution (from Deepayan Sarkar) is to use "xlab.top" instead of "main":

library(lattice)
trellis.device("pdf")
print(xyplot(0 ~ 0, xlab.top = "This title is now 'centered' for the human's eye", sub = "but subtitles are not centered", scales = list(alternating = c(1,1), tck = c(1,0))))
dev.off()

library(lattice)
trellis.device("pdf")
print(xyplot(0 ~ 0, xlab.top = "This title is now 'centered' for the human's eye", xlab = "but subtitles are _now_ centered", scales = list(alternating = c(1,1), tck = c(1,0))))
dev.off()


(I realize that those are not really subtitles by a 'lab', but that appears acceptable in your current test case.)


My question is whether there is something similar for *sub*titles [so something like "xlab.bottom"]? As you can see from the plot, the subtitle does not seem to be "centered" for the human's eye. I would like to center it according to the x-axis label.



David Winsemius, MD
West Hartford, CT



David Winsemius, MD
West Hartford, CT

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