@Test
public void testChiSquareLargeTestStatistic() {
double[] exp =
new double[] {
3389119.5, 649136.6, 285745.4, 25357364.76, 11291189.78, 543628.0, 232921.0, 437665.75
};
long[] obs = new long[] {2372383, 584222, 257170, 17750155, 7903832, 489265, 209628, 393899};
org.apache.commons.math4.stat.inference.ChiSquareTest csti =
new org.apache.commons.math4.stat.inference.ChiSquareTest();
double cst = csti.chiSquareTest(exp, obs);
Assert.assertEquals("chi-square p-value", 0.0, cst, 1E-3);
Assert.assertEquals(
"chi-square test statistic", 114875.90421929007, TestUtils.chiSquare(exp, obs), 1E-9);
}
