From macrakis at alum.mit.edu  Wed Oct 19 23:34:34 2011
From: macrakis at alum.mit.edu (Stavros Macrakis)
Date: Wed, 19 Oct 2011 17:34:34 -0400
Subject: [Rd] Speed difference between df$a[1] and df[1,"a"]
Message-ID: <CACLVabWD_7ZLzjUwAt1dLPsTkpHL8uphwt4bftE=gkorMm8b6Q@mail.gmail.com>

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[Rd] Speed difference between df$a[1] and df[1,"a"]
Stavros Macrakis