Anirudh Joshi created STATISTICS-79:
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Summary: Implement Mean
Key: STATISTICS-79
URL: https://issues.apache.org/jira/browse/STATISTICS-79
Project: Commons Statistics
Issue Type: Sub-task
Components: descriptive
Reporter: Anirudh Joshi
Computes the rolling mean according to the [FirstMoment.increment(double
d)|https://github.com/apache/commons-math/blob/master/commons-math-legacy/src/main/java/org/apache/commons/math4/legacy/stat/descriptive/moment/FirstMoment.java#L92]
method in {{commons-math}} library. If the input array is known beforehand,
such as in the {{Mean.of(double... values)}} method, a more accurate mean is
computed using a two-pass, corrected algorithm is used, starting with the
recursive updating algorithm mentioned above, which protects the mean from
overflow, and then correcting this by adding the mean deviation of the data
values from the arithmetic mean.
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