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Added tests for second, third, fourth moments. 

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/math/trunk@141340 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Phil Steitz 2004-06-27 19:33:38 +00:00
parent 1916ebe30a
commit 0ad427869d
5 changed files with 162 additions and 26 deletions
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31
src/test/org/apache/commons/math/stat/univariate/UnivariateStatisticAbstractTest.java
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@ -19,7 +19,7 @@ import junit.framework.TestCase;
/**
* Test cases for the {@link UnivariateStatistic} class.
* @version $Revision: 1.11 $ $Date: 2004/03/21 04:24:17 $
* @version $Revision: 1.12 $ $Date: 2004/06/27 19:33:38 $
*/
public abstract class UnivariateStatisticAbstractTest extends TestCase {
@ -41,33 +41,16 @@ public abstract class UnivariateStatisticAbstractTest extends TestCase {
protected double sumLog = 54.7969806116451507d;
protected double sumSq = 3595.250d;
protected double sum = 272.90d;
protected double secondMoment = 210.04954545454547d;
protected double thirdMoment = 868.0906859504136;
protected double fourthMoment = 9244.080993773481;
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 };
{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 UnivariateStatisticAbstractTest(String name) {
super(name);

4
src/test/org/apache/commons/math/stat/univariate/moment/FirstMomentTest.java
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@ -19,8 +19,8 @@ import org.apache.commons.math.stat.univariate.StorelessUnivariateStatisticAbstr
import org.apache.commons.math.stat.univariate.UnivariateStatistic;
/**
* Test cases for the {@link UnivariateStatistic} class.
* @version $Revision: 1.2 $ $Date: 2004/06/17 21:37:05 $
* Test cases for the {@link FirstMoment} class.
* @version $Revision: 1.3 $ $Date: 2004/06/27 19:33:38 $
*/
public class FirstMomentTest extends StorelessUnivariateStatisticAbstractTest{

51
src/test/org/apache/commons/math/stat/univariate/moment/FourthMomentTest.java Normal file
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@ -0,0 +1,51 @@
/*
* Copyright 2003-2004 The Apache Software Foundation.
*
* Licensed 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.univariate.moment;
import org.apache.commons.math.stat.univariate.StorelessUnivariateStatisticAbstractTest;
import org.apache.commons.math.stat.univariate.UnivariateStatistic;
/**
* Test cases for the {@link FourthMoment} class.
* @version $Revision: 1.1 $ $Date: 2004/06/27 19:33:38 $
*/
public class FourthMomentTest extends StorelessUnivariateStatisticAbstractTest{
/** descriptive statistic. */
protected FourthMoment stat;
/**
* @param name
*/
public FourthMomentTest(String name) {
super(name);
}
/**
* @see org.apache.commons.math.stat.univariate.UnivariateStatisticAbstractTest#getUnivariateStatistic()
*/
public UnivariateStatistic getUnivariateStatistic() {
return new FourthMoment();
}
/**
* @see org.apache.commons.math.stat.univariate.UnivariateStatisticAbstractTest#expectedValue()
*/
public double expectedValue() {
return this.fourthMoment;
}
}

51
src/test/org/apache/commons/math/stat/univariate/moment/SecondMomentTest.java Normal file
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@ -0,0 +1,51 @@
/*
* Copyright 2003-2004 The Apache Software Foundation.
*
* Licensed 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.univariate.moment;
import org.apache.commons.math.stat.univariate.StorelessUnivariateStatisticAbstractTest;
import org.apache.commons.math.stat.univariate.UnivariateStatistic;
/**
* Test cases for the {@link SecondMoment} class.
* @version $Revision: 1.1 $ $Date: 2004/06/27 19:33:38 $
*/
public class SecondMomentTest extends StorelessUnivariateStatisticAbstractTest {
/** descriptive statistic. */
protected SecondMoment stat;
/**
* @param name
*/
public SecondMomentTest(String name) {
super(name);
}
/**
* @see org.apache.commons.math.stat.univariate.UnivariateStatisticAbstractTest#getUnivariateStatistic()
*/
public UnivariateStatistic getUnivariateStatistic() {
return new SecondMoment();
}
/**
* @see org.apache.commons.math.stat.univariate.UnivariateStatisticAbstractTest#expectedValue()
*/
public double expectedValue() {
return this.secondMoment;
}
}

51
src/test/org/apache/commons/math/stat/univariate/moment/ThirdMomentTest.java Normal file
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@ -0,0 +1,51 @@
/*
* Copyright 2003-2004 The Apache Software Foundation.
*
* Licensed 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.univariate.moment;
import org.apache.commons.math.stat.univariate.StorelessUnivariateStatisticAbstractTest;
import org.apache.commons.math.stat.univariate.UnivariateStatistic;
/**
* Test cases for the {@link ThirdMoment} class.
* @version $Revision: 1.1 $ $Date: 2004/06/27 19:33:38 $
*/
public class ThirdMomentTest extends StorelessUnivariateStatisticAbstractTest{
/** descriptive statistic. */
protected ThirdMoment stat;
/**
* @param name
*/
public ThirdMomentTest(String name) {
super(name);
}
/**
* @see org.apache.commons.math.stat.univariate.UnivariateStatisticAbstractTest#getUnivariateStatistic()
*/
public UnivariateStatistic getUnivariateStatistic() {
return new ThirdMoment();
}
/**
* @see org.apache.commons.math.stat.univariate.UnivariateStatisticAbstractTest#expectedValue()
*/
public double expectedValue() {
return this.thirdMoment;
}
}