Otmar Ertl created MATH-1274:
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Summary: Represent Kolmogorov-Smirnov statistic as long value
Key: MATH-1274
URL: https://issues.apache.org/jira/browse/MATH-1274
Project: Commons Math
Issue Type: Improvement
Reporter: Otmar Ertl
In KolmogorovSmirnovTest.java the 2-sample Kolmogorov-Smirnov statistic is
internally represented as double value. However, the KS-statistic can be
accurately represented as long value if multiplied by both sample sizes. This
approach saves some floating point operations and avoids difficulties when
comparing two KS-statistics. Currently, Precision.compareTo with some tolerance
must be used.
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