lattice and probem
Slight correction below. (Mother always said I needed to learn to count.)
Peter Ehlers wrote:
robert-mcfadden at o2.pl wrote:
I have a simple chart:
barchart(Counts ~ Purchase | Products , data = my.data, groups =
Model)
where Purchase in data has values {0,1,2,3...10}. In a chart xlab
begins with 1 not 0. How to change it?
I guess that barchart() will coerce Purchase to be a factor with levels '1' to '10'. So make it a factor with your choice of
^^^^^^^^^^^^ That should be '1' to '11', of course. -Peter
levels: PurchaseF <- factor(Purchase, levels = 0:10) (or use the scales= argument in barchart()) -Peter Ehlers
Best, Robert
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Peter Ehlers University of Calgary 403.202.3921