It always tells you the most likely category, but you can redefine the output to only trigger if the most likely category really dominates the results.
With two categories, this is reasonable. For a dozen it is much more debatable. This works with the SGD classifiers as well and I have seen this used in a multi-level classifier. On Fri, Jan 27, 2012 at 8:06 PM, Stuart Smith <[email protected]> wrote: > Hello, > > Does naive bayes always classify a document into a category? > Or will it refuse to classify something it cannot? >
