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Date: Thu, 14 Oct 2010 01:52:31 -0700
Message-ID: <AANLkTinkC3oupCqJCCmAkDHKG6Vh-XDFp3+E2jCwWKp+@mail.gmail.com>
Subject: Re: Is their a straightforward way of calculating mean value?
From: Randall Leeds <randall.leeds@gmail.com>
To: user@couchdb.apache.org
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http://wiki.apache.org/couchdb/Built-In_Reduce_Functions#A_stats

Using the string "_stats" as your reduce function will get you a
built-in reduction that contains both "count" and "sum" fields in the
output.

On Thu, Oct 14, 2010 at 00:29, sleepy <wanpeebaw@gmail.com> wrote:
> Hi,
>
> I'm doing some statistics on my data and wondering is there
> an straightforward way of calculating the mean value through reduce
> function.
> Maybe a build-in reduce function or something...
>
> sleepnova
>