Thanks Duncan, but it's of no use. It still leaves space for two
strips and doesn't use the first one. I don't actually want a style =
4. I used it as an example of when a factor.levels vector might be
wanted. In my case I want a vector of expressions which can't be made
factor levels. If I didn't need to show two conditioning variables,
I'd have no problem.
I need to work out how which.given is meant to be used. It doesn't
make sense to use it the way I have and I'll desist as soon as I find
out how to use it properly.
best
Patrick
Quoting Duncan Mackay <mac...@northnet.com.au>:
Hi Patrick
Not sure what you finally want to achieve but will this do?
I have reduced the size of the text to make them readible
dotplot(variety ~ yield | year+ site, barley,
strip = strip.custom(which.given = 2, style = 4,
factor.levels = paste(levels(barley$year),
substring(levels(barley$site), 1, 1)),
par.strip.text = list(cex = 0.75))
)
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