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Covariance Function in Postgresql?? - Mailing list pgsql-general

From jonathan.nichols@sbcglobal.net (Jonathan Nichols)
Subject Covariance Function in Postgresql??
Date
Msg-id b6369b07.0304081019.6a98eebb@posting.google.com
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Responses Re: Covariance Function in Postgresql??  (Joe Conway <mail@joeconway.com>)
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Hello,

    I'm looking to take the covariance of two columns in a postgresql
table.  I know there are sum, average, variance and standard deviation
functions.  Is there a covariance function hiding somewhere?

thanks,

jon

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