ar X iv : 1 61 0 . 01 23 4 v 1 [ st at . M L ] 4 O ct 2 01 6 Ensemble Validation : Selectivity has a Price , but Variety is Free
نویسنده
چکیده
If classifiers are selected from a hypothesis class to form an ensemble, bounds on average error rate over the selected classifiers include a component for selectivity, which grows as the fraction of hypothesis classifiers selected for the ensemble shrinks, and a component for variety, which grows with the size of the hypothesis class or in-sample data set. We show that the component for selectivity asymptotically dominates the component for variety, meaning that variety is essentially free.
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