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Java example source code file (EarlyStoppingResult.java)

This example Java source code file (EarlyStoppingResult.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

data, earlystoppingresult, epochterminationcondition, error, iterationterminationcondition, map, model, override, serializable, string, terminationreason, util

The EarlyStoppingResult.java Java example source code

 *  * Copyright 2015 Skymind,Inc.
 *  *
 *  *    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.deeplearning4j.earlystopping;

import lombok.Data;
import org.deeplearning4j.nn.api.Model;
import org.deeplearning4j.nn.multilayer.MultiLayerNetwork;

import java.io.Serializable;
import java.util.Map;

/** EarlyStoppingResult: contains the results of the early stopping training, such as:
 * - Why the training was terminated
 * - Score vs. epoch
 * - Epoch that the best model was found
 * - Score of the best model
 * - The best model (MultiLayerNetwork) itself
 * @param <T> Type of model. For example, {@link org.deeplearning4j.nn.multilayer.MultiLayerNetwork} or {@link org.deeplearning4j.nn.graph.ComputationGraph}
 * @author Alex Black
public class EarlyStoppingResult<T extends Model> implements Serializable {
    public enum TerminationReason {Error, IterationTerminationCondition, EpochTerminationCondition};

    private TerminationReason terminationReason;
    private String terminationDetails;
    private Map<Integer,Double> scoreVsEpoch;
    private int bestModelEpoch;
    private double bestModelScore;
    private int totalEpochs;
    private T bestModel;

    public EarlyStoppingResult(TerminationReason terminationReason, String terminationDetails, Map<Integer,Double> scoreVsEpoch,
                               int bestModelEpoch, double bestModelScore, int totalEpochs, T bestModel ){
        this.terminationReason = terminationReason;
        this.terminationDetails = terminationDetails;
        this.scoreVsEpoch = scoreVsEpoch;
        this.bestModelEpoch = bestModelEpoch;
        this.bestModelScore = bestModelScore;
        this.totalEpochs = totalEpochs;
        this.bestModel = bestModel;

    public String toString(){
        return "EarlyStoppingResult(terminationReason=" + terminationReason + ",details="+terminationDetails +
                ",bestModelEpoch="+bestModelEpoch + ",bestModelScore="+bestModelScore + ",totalEpochs="+totalEpochs + ")";


    public T getBestModel(){
        return bestModel;


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