Hi,
I am trying to add text to the bottom of a lattice bwplot with
multiple panels. I would like to add a label below each boxplot, but
the labels do not come from the data. I've tried the following, code:
f1 <- c(rep(c(rep("a", 3), rep("b", 3), rep("c", 3)), 2))
f2 <- c(rep("A", 9), rep("B", 9))
dv <- c(0.9, 0.8, 0.85, 0.6, 0.65, 0.7, 0.8, 0.85, 0.8, 0.95, 0.85,
0.9, 0.65, 0.7, 0.75, 0.85, 0.9, 0.85)
df <- data.frame(f1, f2, dv)
lab <- c(1, 2, 3, 4, 5, 6)
bwplot(dv ~ f1 | f2, data = df, ylim = c(0.5, 1),
panel = function(x, y, ...) {
panel.bwplot(x, y, ...)
panel.text(x, 0.55, labels = lab)
}
)
I have two problems. First, the label values are writing over one
another. I wrote a horrible hack (below) that fixes that problem, but
I would like to know if there are better/more flexible ways to do
this.
bwplot(dv ~ f1 | f2, data = df, ylim = c(0.5, 1),
panel = function(x, y, ...) {
x2 <- as.factor(c("a", "b", "c"))
panel.bwplot(x, y, ...)
panel.text(x2, 0.55, labels = lab)
}
)
Second, when using the horrible hack the first values are repeated in
the second panel. How do I display the correct values in the second
panel? The subscripts argument seems to do the trick when the labels
come from the data, but how do I get the proper values when the labels
come from outside of the data?
Many thanks,
Jeff
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