Hi. I'm trying to add some vertical lines to an xyplot in which x axis is a
temporal variable (class=dates) and y axis a factor variable.
This is my code:
xyplot(factor(Abacus$Emisor)~Abacus$Dia,xlab="Date", ylab="Fish",pch=124,
scales=list(x=list(format="%b %Y",tick.number=30))
, panel=function(...){
panel.xyplot(...)
panel.abline(v=08/08/2008)
})
I'd expect a vertical line in the date 08/08/2008 but nothing is drawn.
Also, I tried with an horinzontal line got no result...
Any help please??
Thanks
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