[R] nnet
Prof Brian Ripley
ripley at stats.ox.ac.uk
Thu Feb 21 22:34:19 CET 2008
On Thu, 21 Feb 2008, Luís Paulo F. Garcia wrote:
> In nnet.formula(classe ~ ., data = treinamento_data, size = 10, : group
> Class is empty
>
> What does this mean?
Well, you are the best placed to tell us as we don't have a reproducible
example (see the footer) and you do.
But at a guess, 'classe' is a factor with a level 'Class' which has no
examples (because that is what the message says).
>
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>
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--
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 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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