/*
* Copyright (C) 2008-2015 by Holger Arndt
*
* This file is part of the Universal Java Matrix Package (UJMP).
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership and licensing.
*
* UJMP is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* UJMP 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with UJMP; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
package org.ujmp.examples;
import org.ujmp.core.Matrix;
import org.ujmp.core.calculation.Calculation.Ret;
public class CosineSimilarityMatrixExample {
public static void main(String[] args) throws Exception {
// create matrix with 10 correlated columns, 100 rows, correlation 0.1
Matrix correlated = Matrix.Factory.correlatedColumns(100, 10, 0.1);
// calculate similarity and store in new matrix,
// ignore missing values if present
Matrix similarity = correlated.cosineSimilarity(Ret.NEW, true);
// show on screen
correlated.showGUI();
similarity.showGUI();
}
}