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Commons Math example source code file (MultipleLinearRegressionAbstractTest.java)
The Commons Math MultipleLinearRegressionAbstractTest.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.regression; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertTrue; import org.junit.Before; import org.junit.Test; public abstract class MultipleLinearRegressionAbstractTest { protected MultipleLinearRegression regression; @Before public void setUp(){ regression = createRegression(); } protected abstract MultipleLinearRegression createRegression(); protected abstract int getNumberOfRegressors(); protected abstract int getSampleSize(); @Test public void canEstimateRegressionParameters(){ double[] beta = regression.estimateRegressionParameters(); assertEquals(getNumberOfRegressors(), beta.length); } @Test public void canEstimateResiduals(){ double[] e = regression.estimateResiduals(); assertEquals(getSampleSize(), e.length); } @Test public void canEstimateRegressionParametersVariance(){ double[][] variance = regression.estimateRegressionParametersVariance(); assertEquals(getNumberOfRegressors(), variance.length); } @Test public void canEstimateRegressandVariance(){ if (getSampleSize() > getNumberOfRegressors()) { double variance = regression.estimateRegressandVariance(); assertTrue(variance > 0.0); } } } Other Commons Math examples (source code examples)Here is a short list of links related to this Commons Math MultipleLinearRegressionAbstractTest.java source code file: |
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