On Tue, 1 Apr 2003 [EMAIL PROTECTED] wrote: > Prediction from the original data was just an example, of course; my general > proposal is that inactive factor levels in the prediction set should be > dropped. I don't see how this could ever cause inconsistent behaviour across > prediction sets-- have I missed something?
Yes, repeatedly: `inactive' depends on the prediction set, and that's not thought desirable. -- Brian D. Ripley, [EMAIL PROTECTED] 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 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595 ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-devel