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Re: Rate of increase/decrease for a set of values

From: Jasen Betts <jasen(at)xnet(dot)co(dot)nz>
To: pgsql-novice(at)postgresql(dot)org
Subject: Re: Rate of increase/decrease for a set of values
Date: 2009-07-18 14:11:31
Message-ID: h3sl6j$soc$2@reversiblemaps.ath.cx (view raw or flat)
Thread:
Lists: pgsql-novice
On 2009-07-14, thara <tharas(at)cdactvm(dot)in> wrote:
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> Hello all,
>
> I have a table with two columns - one for survey date and the other one =
> for the number of fever cases registered on that date. Now, I would like =
> to know the overall rate of increase/decrease in the fever cases =
> registered in a particular interval (say, between two dates). Which =
> statistical measure I can use for computing this.

the difference divided by the time elapsed?



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Subject: Re: Selecting time periods
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