/*
* 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.preprocessing.filter;
import com.rapidminer.example.ExampleSet;
import com.rapidminer.example.set.ReplaceMissingExampleSet;
import com.rapidminer.operator.IOObject;
import com.rapidminer.operator.Operator;
import com.rapidminer.operator.OperatorDescription;
import com.rapidminer.operator.OperatorException;
/**
* This operator simply creates a new view on the input data without
* changing the actual data or creating a new data table. The new view
* will not contain any missing values for regular attributes but
* the mean value (or mode) of the non-missing values instead.
*
* @author Ingo Mierswa
* @version $Id: MissingValueReplenishmentView.java,v 1.7 2008/07/07 07:06:39 ingomierswa Exp $
*/
public class MissingValueReplenishmentView extends Operator {
public MissingValueReplenishmentView(OperatorDescription description) {
super(description);
}
public IOObject[] apply() throws OperatorException {
ExampleSet exampleSet = getInput(ExampleSet.class);
ExampleSet result = new ReplaceMissingExampleSet(exampleSet);
return new IOObject[] { result };
}
public Class<?>[] getInputClasses() {
return new Class[] { ExampleSet.class };
}
public Class<?>[] getOutputClasses() {
return new Class[] { ExampleSet.class };
}
}