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Message-ID: <C6FA3BAE-ECE8-4F63-B754-9C25B9324A1A@comcast.net>
Date: 2009-11-23T20:08:25Z
From: David Winsemius
Subject: Loess Fit
In-Reply-To: <ce7c523b0911231103s5eab74b8lf8a8f51ce5998883@mail.gmail.com>

On Nov 23, 2009, at 2:03 PM, Christian Miner wrote:

> I'm working on Loess fit models using R, once I have the fit  
> accomplished,
> I'm looking to back-out the equation of the fitted non-linear curve,
> wondering if there is a way to determine this equation in R? I've been
> looking but can't find any literature. For me, the graph of the  
> function is
> great, but without the equation of the graph, I'm kinda dead in the  
> water.

So you want a global equation from a procedure that does local fitting  
for each point? Maybe you should re-think your strategy. The points  
that form the graph _are_ the function. Maybe you should re-think your  
strategy. Perhaps you want spline fiting.

-- 

David Winsemius, MD
Heritage Laboratories
West Hartford, CT