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The Waikato Environment for Knowledge Analysis (WEKA), a machine learning workbench. This is the stable version. Apart from bugfixes, this version does not receive any other updates.

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/*
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see .
 */

/*
 *    M5Rules.java
 *    Copyright (C) 2001-2012 University of Waikato, Hamilton, New Zealand
 */

package weka.classifiers.rules;

import weka.classifiers.trees.m5.M5Base;
import weka.core.RevisionUtils;
import weka.core.TechnicalInformation;
import weka.core.TechnicalInformation.Field;
import weka.core.TechnicalInformation.Type;
import weka.core.TechnicalInformationHandler;

/**
 
 * Generates a decision list for regression problems using separate-and-conquer. In each iteration it builds a model tree using M5 and makes the "best" leaf into a rule.
*
* For more information see:
*
* Geoffrey Holmes, Mark Hall, Eibe Frank: Generating Rule Sets from Model Trees. In: Twelfth Australian Joint Conference on Artificial Intelligence, 1-12, 1999.
*
* Ross J. Quinlan: Learning with Continuous Classes. In: 5th Australian Joint Conference on Artificial Intelligence, Singapore, 343-348, 1992.
*
* Y. Wang, I. H. Witten: Induction of model trees for predicting continuous classes. In: Poster papers of the 9th European Conference on Machine Learning, 1997. *

* * BibTeX: *

 * @inproceedings{Holmes1999,
 *    author = {Geoffrey Holmes and Mark Hall and Eibe Frank},
 *    booktitle = {Twelfth Australian Joint Conference on Artificial Intelligence},
 *    pages = {1-12},
 *    publisher = {Springer},
 *    title = {Generating Rule Sets from Model Trees},
 *    year = {1999}
 * }
 * 
 * @inproceedings{Quinlan1992,
 *    address = {Singapore},
 *    author = {Ross J. Quinlan},
 *    booktitle = {5th Australian Joint Conference on Artificial Intelligence},
 *    pages = {343-348},
 *    publisher = {World Scientific},
 *    title = {Learning with Continuous Classes},
 *    year = {1992}
 * }
 * 
 * @inproceedings{Wang1997,
 *    author = {Y. Wang and I. H. Witten},
 *    booktitle = {Poster papers of the 9th European Conference on Machine Learning},
 *    publisher = {Springer},
 *    title = {Induction of model trees for predicting continuous classes},
 *    year = {1997}
 * }
 * 
*

* * Valid options are:

* *

 -N
 *  Use unpruned tree/rules
* *
 -U
 *  Use unsmoothed predictions
* *
 -R
 *  Build regression tree/rule rather than a model tree/rule
* *
 -M <minimum number of instances>
 *  Set minimum number of instances per leaf
 *  (default 4)
* * * @author Mark Hall * @version $Revision: 8034 $ */ public class M5Rules extends M5Base implements TechnicalInformationHandler { /** for serialization */ static final long serialVersionUID = -1746114858746563180L; /** * Returns a string describing classifier * @return a description suitable for * displaying in the explorer/experimenter gui */ public String globalInfo() { return "Generates a decision list for regression problems using " + "separate-and-conquer. In each iteration it builds a " + "model tree using M5 and makes the \"best\" " + "leaf into a rule.\n\n" + "For more information see:\n\n" + getTechnicalInformation().toString(); } /** * Constructor */ public M5Rules() { super(); setGenerateRules(true); } /** * Returns an instance of a TechnicalInformation object, containing * detailed information about the technical background of this class, * e.g., paper reference or book this class is based on. * * @return the technical information about this class */ public TechnicalInformation getTechnicalInformation() { TechnicalInformation result; result = new TechnicalInformation(Type.INPROCEEDINGS); result.setValue(Field.AUTHOR, "Geoffrey Holmes and Mark Hall and Eibe Frank"); result.setValue(Field.TITLE, "Generating Rule Sets from Model Trees"); result.setValue(Field.BOOKTITLE, "Twelfth Australian Joint Conference on Artificial Intelligence"); result.setValue(Field.YEAR, "1999"); result.setValue(Field.PAGES, "1-12"); result.setValue(Field.PUBLISHER, "Springer"); result.add(super.getTechnicalInformation()); return result; } /** * Returns the revision string. * * @return the revision */ public String getRevision() { return RevisionUtils.extract("$Revision: 8034 $"); } /** * Main method by which this class can be tested * * @param args an array of options */ public static void main(String[] args) { runClassifier(new M5Rules(), args); } }




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