[R] as.double( factor(something) )??

[Prof Brian Ripley]

It's in the FAQ, Q7.12.

On Wed, 19 Nov 2003, RenE J.V. Bertin wrote:

> After converting a numeric variable into a factor, is there a way to convert it back to the original values? as.double() doesn't do that correctly, for evident reasons (I guess) and as shown below.


-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
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