Fwd: [SQL] aggregate function stddev - Mailing list pgsql-docs

From Josh Berkus
Subject Fwd: [SQL] aggregate function stddev
Date
Msg-id 200409091138.21985.josh@agliodbs.com
Whole thread Raw
Responses Re: Fwd: [SQL] aggregate function stddev
List pgsql-docs
Folks,

Sending this remark to the list so that I/we don't forget to patch it .....

========================================
Just noticed that the postgres stddev is the stddev_sample formula.
There are two different ways to calculate this value.
Their difference is very small with large samle size.  It would be nice
to distinguish the two different versions.
========================================

--
Josh Berkus
Aglio Database Solutions
San Francisco

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