strip.xysplom(which.given, which.panel, var.name, factor.levels,
shingle.intervals, par.strip.text = trellis.par.get("add.text"),
strip.names = c(TRUE, TRUE), style = 1, ...)
strip.default
.strip.default
.c("corr","beta","corr.beta")
. If it finds them, it goes up the
calling sequence to locate the data for the panel. Then it calculates
the correlation and/of regression coefficient and inserts the
calculated value(s) as the value for the strip label.xysplom