Mike Drob created ACCUMULO-2494:
-----------------------------------
Summary: Stat calculation of STDEV may be inaccurate
Key: ACCUMULO-2494
URL: https://issues.apache.org/jira/browse/ACCUMULO-2494
Project: Accumulo
Issue Type: Bug
Components: client
Reporter: Mike Drob
The math is sound, but it is susceptible to rounding errors. We should address
that.
See http://www.strchr.com/standard_deviation_in_one_pass and
http://www.cs.berkeley.edu/~mhoemmen/cs194/Tutorials/variance.pdf
--
This message was sent by Atlassian JIRA
(v6.2#6252)
