/*
* 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.
*/
/*
* AttributeEvaluator.java
* Copyright (C) 1999 Mark Hall
*
*/
package weka.attributeSelection;
import java.io.*;
import weka.core.*;
/**
* Abstract attribute evaluator. Evaluate attributes individually.
*
* @author Mark Hall (mhall@cs.waikato.ac.nz)
* @version $Revision: 1.1.1.1 $
*/
public abstract class AttributeEvaluator extends ASEvaluation {
// ===============
// Public methods.
// ===============
/**
* evaluates an individual attribute
*
* @param attribute the index of the attribute to be evaluated
* @return the "merit" of the attribute
* @exception Exception if the attribute could not be evaluated
*/
public abstract double evaluateAttribute(int attribute) throws Exception;
}