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2003 May 24
1
help with xyplot
Hi,
I make a graphic using xyplot, it is very good.
xyplot((ocorrencia/isca)~frag|especie)
But I need to plot a curve for each especie's plot.
I try to use panel.abline and others panel., but I dont succeed.
I need to plot the function exp(a+b*x+c*x^2)/1+exp(a+b*x+c*x^2), a b and c
are different for each especie.
Normally I use the curve function to add a curve in a points