X-Original-To: pgsql-docs-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id 5C8E3329D27 for ; Thu, 9 Sep 2004 23:03:33 +0100 (BST) Received: from svr1.postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 11975-10 for ; Thu, 9 Sep 2004 22:03:26 +0000 (GMT) Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by svr1.postgresql.org (Postfix) with ESMTP id C2459329D20 for ; Thu, 9 Sep 2004 23:03:28 +0100 (BST) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.12.11/8.12.11) with ESMTP id i89M3Ndo011021; Thu, 9 Sep 2004 18:03:23 -0400 (EDT) To: Josh Berkus Cc: pgsql-docs@postgresql.org Subject: Re: Fwd: [SQL] aggregate function stddev In-reply-to: <200409091138.21985.josh@agliodbs.com> References: <200409091138.21985.josh@agliodbs.com> Comments: In-reply-to Josh Berkus message dated "Thu, 09 Sep 2004 11:38:21 -0700" Date: Thu, 09 Sep 2004 18:03:22 -0400 Message-ID: <11020.1094767402@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0.0 tagged_above=0.0 required=5.0 tests= X-Spam-Level: X-Archive-Number: 200409/8 X-Sequence-Number: 2527 Josh Berkus writes: > 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. The documentation already points out that stddev is the sample standard deviation. regards, tom lane