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Type: New Feature
Resolution: Done
Priority: Major - P3
Fix Version/s: 3.1.5
Affects Version/s: None
Component/s: Aggregation Framework
Labels:
- pull-request

Backwards Compatibility:
Fully Compatible
Sprint:
Quint Iteration 4, Quint Iteration 5
Case:
Linked BF Score:
0

see https://gist.github.com/1886960 for an algorithm to handle calculating standard deviation and variance across many servers.

is related to

DRIVERS-234 Aggregation Builder Support for 3.2

Closed

related to

SERVER-38851 Replace assert.close() with separate functions for integer and floating point closeness

Backlog

CSHARP-1367 $stdDev aggregation operator for standard deviation

Closed

JAVA-1935 $stdDev aggregation operator for standard deviation

Closed

links to

https://github.com/mongodb/mongo/pull/464

Pull request mongo/pull/409

(1 links to)

Assignee:: Mathias Stearn

Reporter:: Mathias Stearn

Participants:: auto, Chris Westin, Githook User, Himanshu Jain, Justin, Kevin Davenport [X], Mathias Stearn, Matt Kangas, Michael Svendsen, Ranjith Ramachandra

Votes:: 25 Vote for this issue

Watchers:: 25 Start watching this issue

Created:: Feb 22 2012 08:39:10 PM UTC

Updated:: Jan 06 2019 06:55:23 AM UTC

Resolved:: Jun 16 2015 06:31:20 PM UTC