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Bayesian network is a combination of probabilistic model and graph model. It is applied widely in machine learning, data mining, diagnosis, etc. because it has a solid evidence-based inference which is familiar to human intuition. However, Bayesian network may cause confusions because there are many complicated concepts, formulas and diagrams relating to it. Such concepts should be organized and presented in such a clear manner that understanding it is easy. This is the goal of this report. The report includes 5 main sections that cover principles of Bayesian network. The section 1 is an introduction to Bayesian network giving some basic concepts. Advanced concepts are mentioned in section 2. Inference mechanism of Bayesian network is described in section 3. Parameter learning which tells us how to update parameters of Bayesian network is described in section 4. Section 5 focuses on structure learning which mentions how to build up Bayesian network. In general, three main subjects of Bayesian network are inference, parameter learning, and structure learning which are mentioned in successive sections 3, 4, and 5. Section 6 is the conclusion.
A propos de l'auteur
Loc Nguyen ist seit 2017 ein unabhängiger Wissenschaftler. Er ist Postdoktorand in Informatik, zertifiziert von INSTICC im Jahr 2015. Seit 2016 ist er von der LMS als Mathematiker anerkannt. 2016 wurde ihm von HOSREM der Doktortitel in statistischer Medizin verliehen. Er hat 78 Arbeiten und Vorabdrucke sowie 8 wissenschaftliche und technologische Produkte veröffentlicht.
