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/*
* Copyright (c) 2010-2021 Haifeng Li. All rights reserved.
*
* Smile is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Smile 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Smile. If not, see .
*/
package smile.base.mlp;
/**
* Neural network cost function.
*
* @author Haifeng Li
*/
public enum Cost {
/**
* Mean squares error cost.
*/
MEAN_SQUARED_ERROR,
/**
* Negative likelihood (or log-likelihood) cost.
* It is equivalently described as the cross-entropy in classification.
*/
LIKELIHOOD
}