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I've recently came across topic known as PAC-Bayesian, but I cannot find a source to read about it. Any article that I came across are talking about its application in a specific area but there is no introduction to what it exactly is.

Cupitor
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3 Answers3

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Here are a few quick Google hits...

From this last one, a quote:

A more refined, Bayesian extension of the PAC model is explored in [26]. Using the Bayesian approach involves assuming a prior distribution over possible target concepts as well as training instances. Given these distributions, the average error of the hypothesis as a function of training sample size, and even as a function of the particular training sample, can be defined. Also, $1 - \delta$ confidence intervals like those in the PAC model can be defined as well.

[26] $=$ W. Buntine, A Theory of Learning Classification Rules. PhD thesis, University of Technology, Sydney, 1990.

Nick Stauner
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This paper is a good way to start : https://arxiv.org/pdf/1901.05353.pdf

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    Please don't provide link-only answers; eventually, the link will break, and then the answer will be useless. Providing a link is fine, but you should at least summarize the essentials - and provide the paper's title and author(s) - in the body of the answer. – jbowman Dec 13 '19 at 14:45
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A more recent elementary introduction to PAC-Bayes

User-friendly introduction to PAC-Bayes bounds

by Pierre Alquier. It is an 80 page study of this topic.

Cochon
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