package de.lmu.ifi.dbs.elki.algorithm.outlier.lof;
/*
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
Copyright (C) 2015
Ludwig-Maximilians-Universität München
Lehr- und Forschungseinheit für Datenbanksysteme
ELKI Development Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see .
*/
import org.junit.Test;
import de.lmu.ifi.dbs.elki.JUnit4Test;
import de.lmu.ifi.dbs.elki.algorithm.AbstractSimpleAlgorithmTest;
import de.lmu.ifi.dbs.elki.data.DoubleVector;
import de.lmu.ifi.dbs.elki.database.Database;
import de.lmu.ifi.dbs.elki.result.outlier.OutlierResult;
import de.lmu.ifi.dbs.elki.utilities.ClassGenericsUtil;
import de.lmu.ifi.dbs.elki.utilities.optionhandling.parameterization.ListParameterization;
/**
* Tests the ALOCI algorithm.
*
* @author Lucia Cichella
* @since 0.4.0
*/
public class ALOCITest extends AbstractSimpleAlgorithmTest implements JUnit4Test {
@Test
public void testLOCI() {
Database db = makeSimpleDatabase(UNITTEST + "3clusters-and-noise-2d.csv", 330);
// Parameterization
ListParameterization params = new ListParameterization();
params.addParameter(ALOCI.Parameterizer.SEED_ID, 0);
params.addParameter(ALOCI.Parameterizer.GRIDS_ID, 3);
// setup Algorithm
ALOCI aloci = ClassGenericsUtil.parameterizeOrAbort(ALOCI.class, params);
testParameterizationOk(params);
// run LOCI on database
OutlierResult result = aloci.run(db);
testAUC(db, "Noise", result, 0.77011111);
testSingleScore(result, 146, 1.1242238186577);
}
}