Difference between xyplot() and plot()

From:  J?rg Reuter

 Why 
is the line with xyplot() not always in the middle of the 
dots like plot()?

Because you used the base graphics command abline() on a lattice plot? 

They don't mix. The plot regions are different for lattice and base graphics - notice that the second abline doesn;t go to the window edges either.

S Ellison

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