[R] NA as the output of ksmooth

[Prof Brian Ripley]

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)
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