Message-ID: <4993092E-DC7D-4B7E-97F1-F5EF6C539E29@comcast.net>
Date: 2011-08-18T23:30:40Z
From: David Winsemius
Subject: Extracting Parts of Array (Index Comparison?)
In-Reply-To: <1313707728675-3753839.post@n4.nabble.com>
On Aug 18, 2011, at 6:48 PM, teriri wrote:
> I now know that those numbers to the left can be extracted using
> rowNames().
>
> So how can I extract elements of B where rowNames = rowNames(A)?
B[ rownames(B) %in% rownames(A), ]
(Normally I don't answer Nabble Q's without context, but this one is
almost self-contained.)
--
David Winsemius, MD
West Hartford, CT