What am I doing wrong? (please cc me when replying)
yy <- 1:10
xx <- yy*2
xYplot(yy~xx,ylab="") #this plots as it should
text(.4,5,expression(paste(log, frac(p(b),p(a)) )))
Error in text.default(0.4, 13, expression(paste(log, frac(p(b), p
(a))))) :
plot.new has not been called yet
This is the case even when I write:
xxyy <- xYplot(yy~xx,ylab="")
xxyy <- update(xxyy, text(.4,5,expression(paste(log, frac(p(b),p
(a)) ))) )
More generally: is there a simple method for rotating ylab?
_____________________________
Professor Michael Kubovy
University of Virginia
Department of Psychology
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Fax: +1-434-982-4766
WWW: http://www.people.virginia.edu/~mk9y/
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