[R] lattice and probem

[robert-mcfadden at o2.pl]

Excellent. Thank you very much.

Best,
Robert


Dnia 18 stycznia 2010 18:20 Peter Ehlers <ehlers at ucalgary.ca> napisał(a):

> 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
> 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
>