Hi,
I'm trying to do something simple (I think) with lattice graphics. I want
to have three xyplots in a single column, where the x axis for the three is
a date range and the y axes are numeric.
I tried doing the first chart, and ran into a problem. When I enter:
xyplot (date ~ count)
I get a well formed plot with the date on the y axis, but when I enter:
xyplot (count ~ date)
I get: "Error in as.POSIXct.default(X[[2L]], ...) :
do not know how to convert 'X[[2L]]' to class "POSIXlt"
Is there a way to create an xyplot with the dates on the x axis?
Thank you.
Larry
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