Sinossi
This book is aimed at novice and advanced analytic researchers and practitioners -- especially in Engineering, Statistics, and Computer Science. Those with little exposure to ensembles will learn why and how to employ this breakthrough method, and advanced practitioners will gain insight into building even more powerful models. Throughout, snippets of code in R are provided to illustrate the algorithms described and to encourage the reader to try the techniques. The authors are industry experts in data mining and machine learning who are also adjunct professors and popular speakers. Although early pioneers in discovering and using ensembles, they here distill and clarify the recent groundbreaking work of leading academics (such as Jerome Friedman) to bring the benefits of ensembles to practitioners. The practical implementations of ensemble methods are enormous. Most current implementations of them are quite primitive and this book will definitely raise the state of the art. Giovanni Seni's thorough mastery of the cutting-edge research and John Elder's practical experience have combined to make an extremely readable and useful book. - from Foreword 1 by Jaffray Woodriff
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Book by Seni Giovanni Elder John
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Ensemble Methods in Data Mining: Improving Accuracy Through Combining Predictions
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Morgan and Claypool Publishers, 2010
ISBN 10: 1608452840
ISBN 13: 9781608452842
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Ensemble Methods in Data Mining: Improving Accuracy Through Combining Predictions
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ISBN 13: 9781608452842
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Ensemble Methods in Data Mining: Improving Accuracy Through Combining Predictions
Editore:
Morgan & Claypool, 2010
ISBN 10: 1608452840
ISBN 13: 9781608452842
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Ensemble Methods in Data Mining: Improving Accuracy Through Combining Predictions
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Morgan & Claypool, 2010
ISBN 10: 1608452840
ISBN 13: 9781608452842
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Paperback. Condizione: Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less. Codice articolo G1608452840I4N00
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Ensemble Methods in Data Mining: Improving Accuracy Through Combining Predictions
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Ensemble Methods in Data Mining: Improving Accuracy Through Combining Predictions (Synthesis Lectures on Data Mining and Knowledge Discovery)
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Softcover. Condizione: Fine. Leichte Risse. "Ensemble methods have been called the most influential development in Data Mining and Machine Learning in the past decade. They combine multiple models into one usually more accurate than the best of its components. Ensembles can provide a critical boost to industrial challenges -- from investment timing to drug discovery, and fraud detection to recommendation systems -- where predictive accuracy is more vital than model interpretability. Ensembles are useful with all modeling algorithms, but this book focuses on decision trees to explain them most clearly. After describing trees and their strengths and weaknesses, the authors provide an overview of regularization -- today understood to be a key reason for the superior performance of modern ensembling algorithms. The book continues with a clear description of two recent developments: Importance Sampling (IS) and Rule Ensembles (RE). IS reveals classic ensemble methods -- bagging, random forests, and boosting -- to be special cases of a single algorithm, thereby showing how to improve their accuracy and speed. REs are linear rule models derived from decision tree ensembles. They are the most interpretable version of ensembles, which is essential to applications such as credit scoring and fault diagnosis. Lastly, the authors explain the paradox of how ensembles achieve greater accuracy on new data despite their (apparently much greater) complexity."--Publisher's website. Codice articolo 7fdeef9f-10c4-47d8-a11a-1b301802b6bf
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Ensemble Methods in Data Mining: Improving Accuracy Through Combining Predictions
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