Minimum Gamma-Divergence for Regression and Classification Problems

Lingua: inglese

Editore: Springer, Springer Mär 2025, 2025

981978879X / 9789819788798

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This item is printed on demand - Print on Demand Titel. Neuware -This book introduces the gamma-divergence, a measure of distance between probability distributions that was proposed by Fujisawa and Eguchi in 2008. The gamma-divergence has been extensively explored to provide robust estimation when the power index ¿ is positive. The gamma-divergence can be defined even when the power index ¿ is negative, as long as the condition of integrability is satisfied. Thus, the authors consider the gamma-divergence defined on a set of discrete distributions. The arithmetic, geometric, and harmonic means for the distribution ratios are closely connected with the gamma-divergence with a negative ¿. In particular, the authors call the geometric-mean (GM) divergence the gamma-divergence when ¿ is equal to -1.The book begins by providing an overview of the gamma-divergence and its properties. It then goes on to discuss the applications of the gamma-divergence in various areas, including machine learning, statistics, and ecology. Bernoulli, categorical, Poisson, negative binomial, and Boltzmann distributions are discussed as typical examples. Furthermore, regression analysis models that explicitly or implicitly assume these distributions as the dependent variable in generalized linear models are discussed to apply the minimum gamma-divergence method.In ensemble learning, AdaBoost is derived by the exponential loss function in the weighted majority vote manner. It is pointed out that the exponential loss function is deeply connected to the GM divergence. In the Boltzmann machine, the maximum likelihood has to use approximation methods such as mean field approximation because of the intractable computation of the partition function. However, by considering the GM divergence and the exponential loss, it is shown that the calculation of the partition function is not necessary, and it can be executed without variational inference.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 128 pp. Englisch.…

Codice articolo 9789819788798

Titolo
Minimum Gamma-Divergence for Regression and Classification Problems
Autore
Shinto Eguchi
Editore
Springer, Springer Mär 2025
Anno di pubblicazione
2025
Condizione
Neu
Rilegatura
Taschenbuch
Lingua
inglese
ISBN 10
981978879X
ISBN 13
9789819788798
Peso dell'articolo
207 grammi
Dimensioni
235x155x8 mm

buchversandmimpf2000

Emtmannsberg, BAYE, Germania

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Venditore AbeBooks dal 23 gennaio 2017

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