Message-ID: <CANtt_hxZCWxxBAY+=9NqpGYJP9+87P9tUQX4itsqH7edbJkhkA@mail.gmail.com>
Date: 2011-09-15T01:31:19Z
From: Robert J. Hijmans
Subject: complex functions using aggregate
In-Reply-To: <CAC28k7Rn18ay8PT3Dnb-t60pNOZPuFsRE83XRrDK6wHSaJ4DHg@mail.gmail.com>
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