spplot.points: one panel per level of a factor

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I don't think you are missing something here -- spplot doesn't do that
much more than the underlying lattice functions, and in particular it
tries to plot attributes of spatial features, using panels for
different attributes. Your question seems to only address plotting
points, sth that spplot does not try to.

You did not say which spplot options you want to take advantage of,
but suppose you want to add some referencing (a polygon), and remove
axis labels and tics, you might want to use:

library(sp)
demo(meuse, ask = FALSE)
xyplot(y~x|ffreq, as(meuse, "data.frame"), asp="iso",
	panel = function(x,y,...) {
		sp.polygons(meuse.riv)
		# anything else you want to do in every panel
		panel.xyplot(x,y,...)
	},
	scales = list(draw = FALSE),
	xlab = NULL, ylab = NULL
)

Hth,

Good evening,

I'm sure I'm missing something really obvious but I couldn't figure
it out (or find the solution on the Internet). Is there a way to
produce the same type of graph as

library(lattice) data(meuse) xyplot(y~x|ffreq, meuse, asp=1)

with spplot.points and a SpatialPointsDataFrame ?

I would like to represent the locations of different individuals
on different panels but still  taking advantage of the spplot
options.

Thanks in advance and sorry if this is a trivial question

Alex

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