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Commons Math example source code file (InteractionTest.java)
The Commons Math InteractionTest.java source code/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.commons.math.stat.descriptive; import org.apache.commons.math.stat.descriptive.moment.FourthMoment; import org.apache.commons.math.stat.descriptive.moment.Kurtosis; import org.apache.commons.math.stat.descriptive.moment.Mean; import org.apache.commons.math.stat.descriptive.moment.Skewness; import org.apache.commons.math.stat.descriptive.moment.Variance; import junit.framework.TestCase; /** * @version $Revision: 811685 $ $Date: 2009-09-05 13:36:48 -0400 (Sat, 05 Sep 2009) $ */ public class InteractionTest extends TestCase { protected double mean = 12.40454545454550; protected double var = 10.00235930735930; protected double skew = 1.437423729196190; protected double kurt = 2.377191264804700; protected double tolerance = 10E-12; protected double[] testArray = { 12.5, 12, 11.8, 14.2, 14.9, 14.5, 21, 8.2, 10.3, 11.3, 14.1, 9.9, 12.2, 12, 12.1, 11, 19.8, 11, 10, 8.8, 9, 12.3 }; public InteractionTest(String name) { super(name); } public void testInteraction() { FourthMoment m4 = new FourthMoment(); Mean m = new Mean(m4); Variance v = new Variance(m4); Skewness s= new Skewness(m4); Kurtosis k = new Kurtosis(m4); for (int i = 0; i < testArray.length; i++){ m4.increment(testArray[i]); } assertEquals(mean,m.getResult(),tolerance); assertEquals(var,v.getResult(),tolerance); assertEquals(skew ,s.getResult(),tolerance); assertEquals(kurt,k.getResult(),tolerance); } } Other Commons Math examples (source code examples)Here is a short list of links related to this Commons Math InteractionTest.java source code file: |
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