[R] locfit

Prof Brian Ripley ripley at stats.ox.ac.uk
Sun Aug 1 09:28:45 CEST 2004

The short answer is `no', assuming you are talking about the function in 
the CRAN package called `locfit' (you did not say).

locfit has many options, but all do local smoothing, not interpolation.

On Sat, 31 Jul 2004, Yan Yu wrote:

> Hi, I have a Q on locfit,
>   E.g., I have an input data set of the form {(x, y, v)} , (x, y) is the
> location in a 2D space, v is the value at that location.
> I am wondering for the output of locfit(), if a given point (x, y) is in
> the  input data set, is the value at  (x, y) going to be the exactly same
> as the input? or it depends on the local fitting function?
> does my Q make sense?

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)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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