Message-ID: <CAOEXkoAR57F2k2aC=vbEU5TAEhqbGSnt6D5hHUJ4Zmp3tuKH2A@mail.gmail.com>
Date: 2013-03-06T22:36:45Z
From: HJ YAN
Subject: How to combine conditional argument and logical argument in R to create subset of data...
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