Message-ID: <57cdddc4.6329c80a.53a09.dc30@mx.google.com>
Date: 2016-09-05T21:04:03Z
From: Javier Marcuzzi
Subject: [R-es] Pivot tables con data.table
In-Reply-To: <CAOKbq8jRH175w0+mmeq9xzqBDg0LX8n-FQR1Ntbq2CCCTH--1w@mail.gmail.com>
Estimados
Hay un artÃculo con un ejemplo en https://blog.exploratory.io/summarizing-data-quickly-like-pivoting-a9ed9c81d495#.asld1e68f
Javier Rubén Marcuzzi
De: Carlos Ortega
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