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https://issues.apache.org/jira/browse/MATH-460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13463470#comment-13463470
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Andrew Waterman commented on MATH-460:
--------------------------------------
Thanks for the help Phil! Do you think you could explain the following test? It
seems like it should be overridden in my own test case, as I'm a bit confused
about the set [250,250,250,250] for the variable "expected" below:
public abstract class RealDistributionAbstractTest {
....
/**
* Test sampling
*/
@Test
public void testSampling() {
final int sampleSize = 1000;
distribution.reseedRandomGenerator(1000); // Use fixed seed
double[] sample = distribution.sample(sampleSize);
double[] quartiles = TestUtils.getDistributionQuartiles(distribution);
double[] expected = {250, 250, 250, 250};
long[] counts = new long[4];
for (int i = 0; i < sampleSize; i++) {
TestUtils.updateCounts(sample[i], counts, quartiles);
}
TestUtils.assertChiSquareAccept(expected, counts, 0.001);
}
> Levy Distribution
> -----------------
>
> Key: MATH-460
> URL: https://issues.apache.org/jira/browse/MATH-460
> Project: Commons Math
> Issue Type: New Feature
> Reporter: Pavel Ryzhov
> Priority: Minor
> Fix For: 3.2
>
> Attachments: levy_math_460.patch
>
>
> Pretty straightforward implementation of Levy Distribution (not Levy
> alpha-stable) according to http://en.wikipedia.org/wiki/Lévy_distribution.
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