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bar and line plot

Try this:

library(lattice)
DF$Date <- as.Date(DF$Date)
xyplot(NumEggs ~ Date | Site, DF, type = "h")

Also look at ggplot2 for another way.

On Fri, Sep 26, 2008 at 2:38 PM, Felipe Carrillo
<mazatlanmexico at yahoo.com> wrote: