Hello. I am sorry for posting a (seemingly) simple question, but I have
just spent 2 hours trying to find the answer, without success. I want
to make a histogram with conditioning on a factor, using Trellis
graphics. However, I do not want any colours (only black and white)
either in the histograms or in the strip. There must be some simple
argument but I can�t find it. Here is my code so far:
> histogram(~GRC.SLA|as.factor(species.type),data=group.means,
+ strip=function(...)
+
strip.default(...,style=1,factor.levels=c("Conifers","Trees","Herbs","Mo
nocots")))
As a default, this produces the bars in a pale blue and the strip in
orange-yellow.
Thanks.
Bill Shipley
Subject Matter Editor, Ecology
North American Editor, Annals of Botany
D�partement de biologie, Universit� de Sherbrooke,
Sherbrooke (Qu�bec) J1K 2R1 CANADA
[EMAIL PROTECTED]
<http://callisto.si.usherb.ca:8080/bshipley/>
http://callisto.si.usherb.ca:8080/bshipley/
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