Raw Message

Message-ID: <1303010181634-3454936.post@n4.nabble.com>
Date: 2011-04-17T03:16:21Z
From: helin_susam
Subject: Counting elements in columns
In-Reply-To: <BANLkTikmLyrTsBwDorf_pGZ9brX0=AXt8A@mail.gmail.com>

Hi,
try this;

sum(sapply(a, function(x) (x==b)))

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