Message-ID: <317737de0903261158k6a527598g132ae512f69b6e51@mail.gmail.com>
Date: 2009-03-26T18:58:25Z
From: Jorge Ivan Velez
Subject: Analogy for %in% for the whole columns (rather than individual values)
In-Reply-To: <dae9a2a60903261148u4f69bf81me260cf5cacf3bdb7@mail.gmail.com>
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