/*
* RapidMiner
*
* Copyright (C) 2001-2011 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.postprocessing;
import com.rapidminer.operator.ResultObjectAdapter;
import com.rapidminer.tools.Tools;
/**
* A threshold for soft2crisp classifying.
*
* @author Ingo Mierswa, Martin Scholz
*/
public class Threshold extends ResultObjectAdapter {
private static final long serialVersionUID = -5929425242781926136L;
/** The threshold. */
private double threshold;
/** The first class. */
private String zeroClass;
/** The second class. */
private String oneClass;
public Threshold(double threshold, String zeroClass, String oneClass) {
this.threshold = threshold;
this.zeroClass = zeroClass;
this.oneClass = oneClass;
}
public double getThreshold() {
return this.threshold;
}
public String getZeroClass() {
return zeroClass;
}
public String getOneClass() {
return oneClass;
}
public String getExtension() {
return "thr";
}
public String getFileDescription() {
return "threshold file";
}
@Override
public String toString() {
StringBuilder builder = new StringBuilder();
builder.append("Threshold: ");
builder.append(threshold);
builder.append(Tools.getLineSeparator());
builder.append("first class: ");
builder.append(zeroClass);
builder.append(Tools.getLineSeparator());
builder.append("second class: ");
builder.append(oneClass);
builder.append(Tools.getLineSeparator());
builder.append("if confidence(" + oneClass + ") > " + threshold + " then " + oneClass);
builder.append(Tools.getLineSeparator());
builder.append("else " + zeroClass);
return builder.toString();
}
}