Hi,
what is the recommended way of adding a strip to a lattice plot?
In the example below I would like to add the value of mean(y) to a new
strip.:
--8<---------------cut here---------------start------------->8---
library(lattice)
## Small sample data set:
p0 <- xyplot(uptake ~ Type | Treatment, data = CO2)
p1 <- update(p0,
panel = function(x, y, ...) {
panel.xyplot(x, y)
panel.abline(h = mean(y),
col = "red"
)
}
)
plot(p1)
--8<---------------cut here---------------end--------------->8---
TIA
Patrick
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