# fig11_5

## PURPOSE

Local Regression and Likelihood, Figure 11.5.

## SYNOPSIS

This is a script file.

## DESCRIPTION

     Local Regression and Likelihood, Figure 11.5.
     Author: Catherine Loader

     Local Adaptive Smooth - Dopler example.
     Adaptive fitting using Katkovnik (et al) ICI criterion.

     NEED: Improve plot - curve is hard to see.

## CROSS-REFERENCE INFORMATION

This function calls:

- lfplot Plot (for one or two dimensions) a locfit() fit.
- locfit Smoothing noisy data using Local Regression and Likelihood.

This function is called by:

- runbook

## SOURCE CODE

    0001 % Local Regression and Likelihood, Figure 11.5.
    0002 % Author: Catherine Loader
    0003 %
    0004 % Local Adaptive Smooth - Dopler example.
    0005 % Adaptive fitting using Katkovnik (et al) ICI criterion.
    0006 %
    0007 % NEED: Improve plot - curve is hard to see.
    0008
    0009 x = (0:2047)'/2047;
    0010 m = 20*sqrt(x.*(1-x)) .* sin(2*pi*1.05 ./ (x+0.05));
    0011 y = m + normrnd(0,1,2048,1);
    0012 fit = locfit(x,y,'pen',1.1,'acri','ici','maxk',500);
    0013 figure('Name','fig11_5: local adaptive smooth: dopler example');
    0014 lfplot(fit);