All,
I'd like to plot the main relationship of a grouped data
object for all levels of a factor in a single panel.
The sample code below creates a separate panel for each level
of the factor. I realize that this could be done in other ways,
but I'd like to do it via plotting the grouped data object.
thanks!
dave
z = rnorm(18, mean=0, sd=1)
x = rep(1:6, 3)
y = factor(rep(c("I", "C", "P"), each = 6))
dat = data.frame(x, y, z)
data.grp = groupedData(z ~ x | y, data = dat)
plot(data.grp, outer = ~ y)
### this produces 1 line each in 3 panels
### how to collapse all 3 lines into 1 panel?
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