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From Yannick <>
Subject Question about TestUtils.chiSquare
Date Thu, 17 Jul 2008 03:52:41 GMT

I'm wondering why the chi-square test has this API:

chiSquareTest(double[] expected, long[] observed) 

I would think the type of expected and observed should be the same (for
example, both double, like in the situation I have, where my series
consists of purchase amounts on a website under two different

Am I missing something trivial? Why is there no chiSquareTest(double[] expected, double[]
observed) test?



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