I want to use a strip.custom as with useOuterStrips for three conditioning
variables.
useOuterStrips restricts this to only two conditioning variables, and I
cannot figure out
how to write strip.custom properly to do this.
library(lattice)
mtcars$HP <- equal.count(mtcars$hp)
#with two factors
x2<-xyplot(mpg ~ disp | HP + factor(cyl), mtcars)
useOuterStrips(x2)
#with three factors
x3<-xyplot(mpg ~ disp | HP + factor(cyl) + factor(carb), mtcars)
update(x3,strip=strip.custom(which.given= 1),
strip2=strip.custom(which.given= 2),
strip.left=strip.custom(which.given=3)
)
--
Patrick Schmitz
Graduate Student
Plant Biology
1206 West Gregory Drive
RM 1500
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