Taschenbuch. Etat : Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Exploratory data analysis, also known as data mining or knowledge discovery from databases, is typically based on the optimisation of a specific function of a dataset. Such optimisation is often performed with gradient descent or variations thereof. In this book, we first lay the groundwork by reviewing some standard clustering algorithms and projection algorithms before presenting various non-standard criteria for clustering. The family of algorithms developed are shown to perform better than the standard clustering algorithms on a variety of datasets.We then consider extensions of the basic mappings which maintain some topology of the original data space. Finally we show how reinforcement learning can be used as a clustering mechanism before turning to projection methods. We show that several varieties of reinforcement learning may also be used to define optimal projections for example for principal component analysis, exploratory projection pursuit and canonical correlation analysis. The new method of cross entropy adaptation is then introduced and used as a means of optimising projections. Finally an artificial immune system is used to create optimal projections and combinations of these three methods are shown to outperform the individual methods of optimisation. 240 pp. Englisch. N� de r�f. du vendeur 9783642260551

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Non-Standard Parameter Adaptation for Exploratory Data Analysis

Wesam Ashour Barbakh

Edit� par Springer Berlin Heidelberg, 2012

ISBN 10 : 3642260551 ISBN 13 : 9783642260551

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Vendeur : AHA-BUCH GmbH, Einbeck, Allemagne

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Taschenbuch. Etat : Neu. Druck auf Anfrage Neuware - Printed after ordering - Exploratory data analysis, also known as data mining or knowledge discovery from databases, is typically based on the optimisation of a specific function of a dataset. Such optimisation is often performed with gradient descent or variations thereof. In this book, we first lay the groundwork by reviewing some standard clustering algorithms and projection algorithms before presenting various non-standard criteria for clustering. The family of algorithms developed are shown to perform better than the standard clustering algorithms on a variety of datasets.We then consider extensions of the basic mappings which maintain some topology of the original data space. Finally we show how reinforcement learning can be used as a clustering mechanism before turning to projection methods. We show that several varieties of reinforcement learning may also be used to define optimal projections for example for principal component analysis, exploratory projection pursuit and canonical correlation analysis. The new method of cross entropy adaptation is then introduced and used as a means of optimising projections. Finally an artificial immune system is used to create optimal projections and combinations of these three methods are shown to outperform the individual methods of optimisation. N� de r�f. du vendeur 9783642260551

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Non-Standard Parameter Adaptation for Exploratory Data Analysis

Wesam Ashour Barbakh|Ying Wu|Colin Fyfe

Edit� par Springer Berlin Heidelberg, 2012

ISBN 10 : 3642260551 ISBN 13 : 9783642260551

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Vendeur : moluna, Greven, Allemagne

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Etat : New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Presents novel methods of parameter adaptation in machine learningValuable contribution to create a true artificial intelligence Recent research in Reinforcement learning, cross entropy and artificial immune systems for explor. N� de r�f. du vendeur 5054131

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