[R] Gray codes in R

[Prof Brian D Ripley]

On Tue, 30 Nov 1999, Armin S. A. Roehrl wrote:

> Did anybody by accident implement Gray codes in R?
> If possible for choosing n points with replacement.

They are used internally by Rpart.

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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