The short answer is 'they don't'. They use the order of the levels of the
factor that you supply, and the answer is for you to create the factor
with the levels in the order you want -- otherwise factor creation uses
alphabetical order. See ?factor.
On Thu, 1 May 2008, Lydia N. Slobodian wrote:
Hello,
When making a graph, plot and boxplot automatically sort my factor
levels (y axis) into alphabetical order. Is there a way to make it
NOT do this? I've tried:
sort.by="none", sorted=FALSE, sort=FALSE, reorder=FALSE.
Thank you.
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Brian D. Ripley, [EMAIL PROTECTED]
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
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Oxford OX1 3TG, UK Fax: +44 1865 272595
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