Message-ID: <OF7929F98A.86ED1879-ON8625793D.0076E12B-8625793D.007748A3@usgs.gov>
Date: 2011-11-03T21:42:28Z
From: Jean V Adams
Subject: Select columns of a data.frame by name OR index in a function
In-Reply-To: <F54EF8F1B477CF448729593FE421F646678899@HQVEVE0032.nestle.com>
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