On Feb 11, 2013, at 1:23 AM, Elaine Kuo wrote:
Hello,
I am drawing a boxplot using bwplot in lattice.
I would like to learn how to draw a thicker median line instead of the
default setting.
Thank you.
Code
bwplot(........,
pch=rep("|",2))
At the moment panel.bwplot has code at the end that I think deals with
that aspect:
if (all(pch == "|")) {
mult <- if (notch)
1 - notch.frac
else 1
panel.segments(levels.fos - mult * blist.height/2,
blist.stats[, 3], levels.fos + mult * blist.height/2,
blist.stats[, 3], lwd = box.rectangle$lwd, lty =
box.rectangle$lty,
col = box.rectangle$col, alpha = alpha, identifier =
paste(identifier,
"dot", sep = "."))
}
else {
panel.points(x = levels.fos, y = blist.stats[, 3],
pch = pch, col = col, alpha = alpha, cex = cex,
fontfamily = fontfamily, fontface =
chooseFace(fontface,
font), fontsize = fontsize.points, identifier =
paste(identifier,
"dot", sep = "."))
}
So you need to find a way to change the box.rectangle$lwd setting
before this code is executed. Looking at
names(trellis.par.get())
It appears that graphic parameter can be set with trellis.par.set().
--
David.
Elaine
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David Winsemius, MD
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