Message-ID: <Pine.LNX.4.61.0512030813350.4378@gannet.stats>
Date: 2005-12-03T08:17:15Z
From: Brian Ripley
Subject: NA as the output of ksmooth
In-Reply-To: <20051202213519.98733.qmail@web60418.mail.yahoo.com>
On Fri, 2 Dec 2005, Amir Safari wrote:
> My input data, positive and negative, is complete without missing data.
> After running ksmooth( ) , I receive for $y , many NAs. What could be
> the reasons and how can I receive complete output?
Choose a suitable bandwidth. If there are no points within the kernel
range, the Nadaraya-Watson estimator is 0/0 = NaN, returned as NA.
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--
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
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