Gilles created MATH-1281:
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Summary: "Median" should not extend "Percentile"
Key: MATH-1281
URL: https://issues.apache.org/jira/browse/MATH-1281
Project: Commons Math
Issue Type: Improvement
Affects Versions: 3.5
Reporter: Gilles
Priority: Minor
Fix For: 4.0, 3.6
Class {{Median}} (package {{o.a.c.m.stat.descriptive.rank}} inherits several
{{evaluate}} methods from {{Percentile}} where one of the arguments is the
percentile value. That doesn't make sense, and easily allows for user bugs.
Either those inherited methods should be overridden by methods that throw a
"forbidden" exception, or perhaps more correctly (but not
backwards-compatible), the methods with a specific percentile argument should
be made "static". The latter would also fix the same problem in the
{{Percentile}} class itself.
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