1 /* 2 * Copyright (C) 2004-2006 Christian Siefkes <christian@siefkes.net>. 3 * Development of this software is supported by the German Research Society, 4 * Berlin-Brandenburg Graduate School in Distributed Information Systems 5 * (DFG grant no. GRK 316). 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, visit 19 * http://www.gnu.org/licenses/gpl.html or write to the Free Software 20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 21 */ 22 package de.fu_berlin.ties.eval; 23 24 import de.fu_berlin.ties.io.Storable; 25 26 /*** 27 * Provides a read-only view on {@link de.fu_berlin.ties.eval.Accuracy} 28 * statistics and the underlying raw counts. 29 * 30 * @author Christian Siefkes 31 * @version $Revision: 1.4 $, $Date: 2006/10/21 16:04:11 $, $Author: siefkes $ 32 */ 33 public interface AccuracyView extends Storable { 34 35 /*** 36 * Calculates and returns the <em>accuracy</em>: 37 * <em>A</em> = <em>true</em> / (<em>true</em> + <em>false</em>). 38 * 39 * @return the accuracy 40 */ 41 double getAccuracy(); 42 43 /*** 44 * Returns the number of false decisions. 45 * @return the number of false decisions 46 */ 47 long getFalseCount(); 48 49 /*** 50 * Returns the number of true decisions. 51 * @return the number of true decisions 52 */ 53 long getTrueCount(); 54 55 }