[R] Writing text in lattice graphics

[Luis Torgo]

Thank you very much for your help. It worked perfectly.

Without abusing your time I wonder if you could give me a help on another 
problem with lattice graphics.

I have the following box-and-whisker plot:

> bwplot(Season ~ O2 | Site, 
	panel = function(x,y,...) {
		panel.bwplot(x,y,...)
		panel.grid(h=0,v=-1)
	})

I would like to add to each box-and-whisker a dot showing the respective mean 
value (i.e. the mean O2 value for each combination of Season and Site).

I guess it has something to do with the function "grid.points" that will 
allow me to plot a set of points on each panel, but I'm unable to obtain the 
points...

Any help is appreciated.

Thanks.

-- 
Luis Torgo
    FEP/LIACC, University of Porto   Phone : (+351) 22 607 88 30
    Machine Learning Group           Fax   : (+351) 22 600 36 54
    R. Campo Alegre, 823             email : ltorgo at liacc.up.pt
    4150 PORTO   -  PORTUGAL         WWW   : http://www.liacc.up.pt/~ltorgo
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