[R] trellis plot

Brad Buchsbaum bbuchsba at uci.edu
Wed Nov 28 23:06:52 CET 2001


I'd like to plot 4 groups of data using xyplot and panel.superpose so
that the points are overlayed on a single plot.  For each group of data
I'd also like a loess smoothed function (using panel.loess).  I have
tried the following:

xyplot(series ~ time | gr, data=etable,
         panel = function(x,y, ...) {
           panel.superpose(x,y, ...)


However, this gives me only a single loess curve (collapsed across
groups) whereas I would like one curve for each group (just as I get one
color for each set of points from the panel.superpose).

Is there a way to accomplish this?


Brad Buchsbaum

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