Example usage for org.apache.commons.math3.stat.inference TestUtils oneWayAnovaFValue

Introduction

In this page you can find the example usage for org.apache.commons.math3.stat.inference TestUtils oneWayAnovaFValue.

Prototype

public static double oneWayAnovaFValue(final Collection<double[]> categoryData)
        throws NullArgumentException, DimensionMismatchException 

Source Link

Usage

From source file:org.moeaframework.util.statistics.OneWayANOVATest.java

/**
 * Test from Sheskin (2004) in Chapter 21.
 *//*from   w ww .  ja  v  a 2s.c  o  m*/
@Test
public void testExample() {
    OneWayANOVA test = new OneWayANOVA(3);
    test.add(8, 0);
    test.add(10, 0);
    test.add(9, 0);
    test.add(10, 0);
    test.add(9, 0);
    test.add(7, 1);
    test.add(8, 1);
    test.add(5, 1);
    test.add(8, 1);
    test.add(5, 1);
    test.add(4, 2);
    test.add(8, 2);
    test.add(7, 2);
    test.add(5, 2);
    test.add(7, 2);

    Assert.assertEquals(6.98, TestUtils.oneWayAnovaFValue(test.categorize()), 0.01);
    Assert.assertTrue(test.test(0.05));
    Assert.assertTrue(test.test(0.01));
}

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