Publication
NeurIPS 2002
Conference paper

PAC-bayes & margins

Abstract

We show two related things: (1) Given a classifier which consists of a weighted sum of features with a large margin, we can construct a stochastic classifier with negligibly larger training error rate. The stochastic classifier has a future error rate bound that depends on the margin distribution and is independent of the size of the base hypothesis class. (2) A new true error bound for classifiers with a margin which is simpler, functionally tighter, and more data-dependent than all previous bounds.

Date

Publication

NeurIPS 2002

Authors

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