Probabilistic methods
Abstract
It is now time to introduce probabilistic approaches to data mining and machine learning in a formal way. We begin by outlining fundamental aspects of probability theory that are widely used in data mining and practical machine learning. The maximum likelihood approach is presented, along with methods for learning with hidden variables, including the well-known expectation maximization algorithm. Maximum likelihood methods are cited in the context of approaches that are more Bayesian in nature, and the role of variational methods and sampling procedures are also discussed. Bayesian networks are presented and used to describe a wide variety of methods, such as mixture models, principal component analysis, ...
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