73 lines
2.7 KiB
Java
73 lines
2.7 KiB
Java
/*******************************************************************************
|
|
* Copyright (c) 2015-2018 Skymind, Inc.
|
|
*
|
|
* This program and the accompanying materials are made available under the
|
|
* terms of the Apache License, Version 2.0 which is available at
|
|
* https://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.
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
******************************************************************************/
|
|
|
|
package org.deeplearning4j.earlystopping;
|
|
|
|
import lombok.Data;
|
|
import org.deeplearning4j.nn.api.Model;
|
|
|
|
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
|
|
*/
|
|
@Data
|
|
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;
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
return "EarlyStoppingResult(terminationReason=" + terminationReason + ",details=" + terminationDetails
|
|
+ ",bestModelEpoch=" + bestModelEpoch + ",bestModelScore=" + bestModelScore + ",totalEpochs="
|
|
+ totalEpochs + ")";
|
|
|
|
}
|
|
|
|
public T getBestModel() {
|
|
return bestModel;
|
|
}
|
|
|
|
}
|