Draw a simpleKey inside a panel of a lattice plot.
panel.key(text, ..., corner = c(0, 1), x = corner, y = corner)
entries in the simpleKey.
corner, x, y
defines the position of the key within the panel viewport. These are
given in normalised coordinates between 0 and 1. The two elements
of corner specify the x and y positions respectively.
xyplot(ozone ~ wind | equal.count(temperature, 2),
data = environmental) +
layer(panel.loess(x, y, span = 0.5), style = 1) +
layer(panel.loess(x, y, span = 1.0), style = 2) +
layer(panel.key(c("span = 0.5", "span = 1.0"), corner = c(1,.98),
lines = TRUE, points = FALSE), packets = 1)
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