Evaluating Learning Algorithms

Rather, our main aim is to elucidate the relationship of these concepts to the performance evaluation of learning algorithms. The chapter is composed of two parts. The first part discusses concepts most specific to machine learning; ...

Author: Nathalie Japkowicz

Publisher: Cambridge University Press

ISBN: 9781139494144

Category: Computers

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The field of machine learning has matured to the point where many sophisticated learning approaches can be applied to practical applications. Thus it is of critical importance that researchers have the proper tools to evaluate learning approaches and understand the underlying issues. This book examines various aspects of the evaluation process with an emphasis on classification algorithms. The authors describe several techniques for classifier performance assessment, error estimation and resampling, obtaining statistical significance as well as selecting appropriate domains for evaluation. They also present a unified evaluation framework and highlight how different components of evaluation are both significantly interrelated and interdependent. The techniques presented in the book are illustrated using R and WEKA, facilitating better practical insight as well as implementation. Aimed at researchers in the theory and applications of machine learning, this book offers a solid basis for conducting performance evaluations of algorithms in practical settings.

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