001/**
002 * Copyright (C) 2007 - 2016, Jens Lehmann
003 *
004 * This file is part of DL-Learner.
005 *
006 * DL-Learner is free software; you can redistribute it and/or modify
007 * it under the terms of the GNU General Public License as published by
008 * the Free Software Foundation; either version 3 of the License, or
009 * (at your option) any later version.
010 *
011 * DL-Learner is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014 * GNU General Public License for more details.
015 *
016 * You should have received a copy of the GNU General Public License
017 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
018 */
019package org.dllearner.accuracymethods;
020
021/**
022 * Accuracy calculation with true/false positive/negative
023 */
024public interface AccMethodTwoValued extends AccMethod {
025        /**
026         * Compute accuracy according to this method
027         * @param tp True Positives (positive as positive)
028         * @param fn False Negative (positive as negative)
029         * @param fp False Positive (negative as positive)
030         * @param tn True Negative (negative as negative)
031         * @param noise Noise
032         * @return accuracy value or -1 if too weak
033         */
034        double getAccOrTooWeak2(int tp, int fn, int fp, int tn, double noise);
035}