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From Schalk W. Cronjé (JIRA) <>
Subject [jira] [Created] (MATH-1131) Kolmogorov-Smirnov Tests takes 'forever' on 10,000 item dataset
Date Wed, 25 Jun 2014 08:14:24 GMT
Schalk W. Cronjé created MATH-1131:

             Summary: Kolmogorov-Smirnov Tests takes 'forever' on 10,000 item dataset
                 Key: MATH-1131
             Project: Commons Math
          Issue Type: Bug
    Affects Versions: 3.3
         Environment: Java 8
            Reporter: Schalk W. Cronjé
         Attachments: 1.txt

I have code simplified to the following:

    KolmogorovSmirnovTest kst = new KolmogorovSmirnovTest();
    NormalDistribution nd = new NormalDistribution(mean,stddev);

I find that for my dataset of 10,000 items, the call to kolmogorovSmirnovTest takes 'forever'.
It has not returned after nearly 15minutes and in one my my tests has gone over 150MB in 
memory usage. 

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