[R] symbols in lattice

Torsten Hothorn Torsten.Hothorn at rzmail.uni-erlangen.de
Tue Apr 16 09:32:40 CEST 2002

Dear plotting experts, 

I simply can't figure out how I can force bwplot to print mathematical
symbols in the strips.


x <- rnorm(30)
lab <- factor(c(rep("one", 10), rep("two", 10), rep("three", 10)))
bwplot(~ x | lab)

gives labels "one", "two", "tree" but I would like to change this into
expression(lambda == 1), expression(lambda == 2) and expression(lambda ==

The only way to modify the labels is changing the levels of lab, right? Or
is there something else?


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