Message-ID: <CAFKNbk+8NKEGd1ORgqL=9w=kQa1uoLeFyxFae0FMo8apFnNS7g@mail.gmail.com>
Date: 2011-09-29T18:45:40Z
From: Carlos Ortega
Subject: [R-es] Consultas sobre diferencias de Sumas Agregadas en R y en SQL.
In-Reply-To: <CAPRmSMGwH7ZQHyrLknbOpwsETD6uxOTTaDkJyE=Y3q6BGasr+Q@mail.gmail.com>
An embedded and charset-unspecified text was scrubbed...
Name: no disponible
URL: <https://stat.ethz.ch/pipermail/r-help-es/attachments/20110929/96430e98/attachment.pl>