//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);
}