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Journal Articles Journal of Mathematical Economics Year : 2008

Entropy bounds on Bayesian learning

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Abstract

An observer of a process View the MathML source believes the process is governed by Q whereas the true law is P. We bound the expected average distance between P(xt|x1,...,xt−1) and Q(xt|x1,...,xt−1) for t=1,...,n by a function of the relative entropy between the marginals of P and Q on the n first realizations. We apply this bound to the cost of learning in sequential decision problems and to the merging of Q to P.

Dates and versions

hal-00464554 , version 1 (17-03-2010)

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Tristan Tomala, Olivier Gossner. Entropy bounds on Bayesian learning. Journal of Mathematical Economics, 2008, Vol.44,n°1, pp.24-32. ⟨10.1016/j.jmateco.2007.04.006⟩. ⟨hal-00464554⟩
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