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M5P.java
Package: Weka-3-2.rar [view]
Upload User: rhdiban
Upload Date: 2013-08-09
Package Size: 15085k
Code Size: 3k
Category:
Windows Develop
Development Platform:
Java
- /*
- * M5P.java
- * Copyright (C) 2001 Mark Hall
- *
- * 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 2 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, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
- package weka.classifiers.trees.m5;
- import java.io.*;
- import java.util.*;
- import weka.core.*;
- /**
- * M5P. Implements routines for generating M5 model trees.
- *
- * Valid options are:<p>
- *
- * -U <br>
- * Use unsmoothed predictions. <p>
- *
- * @author <a href="mailto:mhall@cs.waikato.ac.nz">Mark Hall</a>
- * @version $Revision: 1.1 $
- */
- public class M5P extends M5Base
- implements Drawable {
- /**
- * Creates a new <code>M5P</code> instance.
- */
- public M5P() {
- super();
- setGenerateRules(false);
- }
- /**
- * Return a dot style String describing the tree.
- *
- * @return a <code>String</code> value
- * @exception Exception if an error occurs
- */
- public String graph() throws Exception {
- StringBuffer text = new StringBuffer();
- text.append("digraph M5Tree {n");
- Rule temp = (Rule)m_ruleSet.elementAt(0);
- temp.m_topOfTree.graph(text);
- text.append("}n");
- return text.toString();
- }
- /**
- * Set whether to save instance data at each node in the
- * tree for visualization purposes
- *
- * @param save a <code>boolean</code> value
- */
- public void setSaveInstances(boolean save) {
- m_saveInstances = save;
- }
- /**
- * Get whether instance data is being save.
- *
- * @return a <code>boolean</code> value
- */
- public boolean getSaveInstances() {
- return m_saveInstances;
- }
- /**
- * Main method by which this class can be tested
- *
- * @param args an array of options
- */
- public static void main(String[] args) {
- try {
- System.out.println(weka.classifiers.Evaluation.evaluateModel(
- new M5P(),
- args));
- } catch (Exception e) {
- System.err.println(e.getMessage());
- e.printStackTrace();
- }
- }
- }