//Copyright (C) 2011 Zeno Gantner, Chris Newell // // This file is part of MyMediaLite. // // MyMediaLite 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. // // MyMediaLite 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 MyMediaLite. If not, see <http://www.gnu.org/licenses/>. package org.mymedialite.correlation; import org.mymedialite.datatype.IBooleanMatrix; /** * CorrelationMatrix that computes correlations over binary data. * @version 2.03 */ public abstract class BinaryDataCorrelationMatrix extends CorrelationMatrix { /** * Constructor. * @param numEntities the number of entities */ public BinaryDataCorrelationMatrix(int numEntities) { super(numEntities); } /** * Compute the correlations from an implicit feedback, positive-only dataset. * @param entityData the implicit feedback set, rows contain the entities to correlate */ public abstract void computeCorrelations(IBooleanMatrix entityData); }