/*
* RapidMiner
*
* Copyright (C) 2001-2008 by Rapid-I and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapid-i.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*/
package com.rapidminer.operator.learner.tree;
import com.rapidminer.example.Attribute;
import com.rapidminer.example.Example;
import com.rapidminer.tools.Tools;
/**
* A split condition for numerical values (less equals).
*
* @author Ingo Mierswa
* @version $Id: LessEqualsSplitCondition.java,v 1.7 2008/05/09 19:22:53 ingomierswa Exp $
*/
public class LessEqualsSplitCondition extends AbstractSplitCondition {
private static final long serialVersionUID = 6658964566718050949L;
private double value;
public LessEqualsSplitCondition(Attribute attribute, double value) {
super(attribute.getName());
this.value = value;
}
public boolean test(Example example) {
return example.getValue(example.getAttributes().get(getAttributeName())) <= value;
}
public String getRelation() {
return "<=";
}
public String getValueString() {
return Tools.formatIntegerIfPossible(this.value);
}
}