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Drill, mail # dev - Review Request 21941: Drill-842: Correlation coefficient calculation function


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Re: Review Request 21941: Drill-842: Correlation coefficient calculation function
Ted Dunning 2014-06-11, 15:09

This appears to use Welford's method and should be numerically quite stable.

It will be difficult to do better in a single pass.
- Ted
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https://reviews.apache.org/r/21941/#review45346
On May 27, 2014, 8:24 p.m., Yash Sharma wrote: