[R] how to make point character thicker in xyplot?

[Greg Snow]

There is probably a simpler way, but if you want full customization, look at panel.my.symbols in the TeachingDemos package.

-----Original Message-----
From: array chip <arrayprofile at yahoo.com>
Sent: Thursday, September 23, 2010 2:52 PM
To: r-help at r-project.org <r-help at r-project.org>
Subject: [R] how to make point character thicker in xyplot?


Is there anyway to make plotting point character being thicker in xyplot? I mean
not larger which can achieved by "cex=2", but thicker. I tried lwd=2, but it
didn't work. I know "lwd" works in regular plot() not only for lines, but also
for points. For example

plot(1:10, lwd=2)

Thanks

John

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