SplitCriterion.java
资源名称:Weka-3-2.rar [点击查看]
上传用户:rhdiban
上传日期:2013-08-09
资源大小:15085k
文件大小:2k
源码类别:
Windows编程
开发平台:
Java
- /*
- * 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.
- */
- /*
- * SplitCriterion.java
- * Copyright (C) 1999 Eibe Frank
- *
- */
- package weka.classifiers.j48;
- import java.io.*;
- /**
- * Abstract class for computing splitting criteria
- * with respect to distributions of class values.
- *
- * @author Eibe Frank (eibe@cs.waikato.ac.nz)
- * @version $Revision: 1.4 $
- */
- public abstract class SplitCriterion implements Serializable {
- /**
- * Computes result of splitting criterion for given distribution.
- *
- * @return value of splitting criterion. 0 by default
- */
- public double splitCritValue(Distribution bags){
- return 0;
- }
- /**
- * Computes result of splitting criterion for given training and
- * test distributions.
- *
- * @return value of splitting criterion. 0 by default
- */
- public double splitCritValue(Distribution train, Distribution test){
- return 0;
- }
- /**
- * Computes result of splitting criterion for given training and
- * test distributions and given number of classes.
- *
- * @return value of splitting criterion. 0 by default
- */
- public double splitCritValue(Distribution train, Distribution test,
- int noClassesDefault){
- return 0;
- }
- /**
- * Computes result of splitting criterion for given training and
- * test distributions and given default distribution.
- *
- * @return value of splitting criterion. 0 by default
- */
- public double splitCritValue(Distribution train, Distribution test,
- Distribution defC){
- return 0;
- }
- }
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