[R] adding a reference line to an xyplot
bop07crb at sheffield.ac.uk
Fri Feb 20 10:34:02 CET 2009
I want to add a dashed vertical line to a number of xyplots.
Here is a simple script of the type of plot I have but then I want to add a
reference line to 1995 on each of the panels. I have tried panel.abline and
other suggestions on the forum but can't get it to work.
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