Transcription of INTRODUCTION MACHINE LEARNING
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INTRODUCTION . TO. MACHINE LEARNING . AN EARLY DRAFT OF A PROPOSED. TEXTBOOK. Nils J. Nilsson Robotics Laboratory Department of Computer Science Stanford University Stanford, CA 94305. e-mail: November 3, 1998. Copyright 2005. c Nils J. Nilsson This material may not be copied, reproduced, or distributed without the written permission of the copyright holder. ii Contents 1 Preliminaries 1. INTRODUCTION .. 1. What is MACHINE LEARNING ? .. 1. Wellsprings of MACHINE LEARNING .. 3. Varieties of MACHINE LEARNING .. 4. LEARNING Input-Output Functions .. 5. Types of LEARNING .. 5. Input Vectors .. 7. Outputs .. 8. Training Regimes .. 8. Noise .. 9. Performance Evaluation .. 9. LEARNING Requires Bias .. 9. Sample Applications .. 11. Sources .. 13. Bibliographical and Historical Remarks .. 13. 2 Boolean Functions 15. Representation .. 15. Boolean Algebra .. 15. Diagrammatic Representations .. 16. Classes of Boolean Functions .. 17. Terms and Clauses .. 17. DNF Functions .. 18. CNF Functions.
their internal structure to produce correct outputs for a large number of sample inputs and thus suitably constrain their input/output function to approximate the relationship implicit in the examples. It is possible that hidden among large piles of data are important rela-tionships and correlations. Machine learning methods can often be used
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