/*
* ARX: Powerful Data Anonymization
* Copyright 2012 - 2016 Florian Kohlmayer, Fabian Prasser
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.deidentifier.arx.aggregates.classification;
import java.util.Map;
import org.apache.mahout.math.Vector;
/**
* A classification result
*
* @author Fabian Prasser
*/
public class MultiClassLogisticRegressionClassificationResult implements ClassificationResult {
/** Field*/
private final Map<String, Integer> map;
/** Field*/
private final Vector vector;
/**
* Creates a new instance
* @param vector
* @param map
*/
MultiClassLogisticRegressionClassificationResult(Vector vector, Map<String, Integer> map) {
this.map = map;
this.vector = vector;
}
@Override
public double confidence() {
return vector.getQuick(vector.maxValueIndex());
}
@Override
public boolean correct(String clazz) {
return vector.maxValueIndex() == map.get(clazz).intValue();
}
@Override
public double error(String clazz) {
return 1d - vector.getQuick(map.get(clazz));
}
@Override
public int index() {
return vector.maxValueIndex();
}
}