# fig7_5

## PURPOSE

Local Regression and Likelihood, Figure 7.5.

## SYNOPSIS

This is a script file.

## DESCRIPTION

     Local Regression and Likelihood, Figure 7.5.

     Author: Catherine Loader

## CROSS-REFERENCE INFORMATION

This function calls:

- lfmarg computes grid margins from a locfit object, used for plotting.
- locfit Smoothing noisy data using Local Regression and Likelihood.
- predict Interpolate a fit produced by locfit().

This function is called by:

- runbook

## SOURCE CODE

    0001 % Local Regression and Likelihood, Figure 7.5.
    0002 %
    0003 % Author: Catherine Loader
    0004
    0005 load border;
    0006 fit0 = locfit(day,runs,'cens',no,'family','geom','nn',0.7);
    0007 fit1 = locfit(day,runs,'weights',ones(265,1)*0.8,'cens',no,'family','geom','nn',0.7);
    0008 xev = lfmarg(fit);
    0009 xev = xev{1};
    0010 y0 = predict(fit0,xev);
    0011 y1 = predict(fit1,xev);
    0012 figure('Name','fig7_5');
    0013 plot(xev,0.8*exp(y1)-exp(y0));
    0014 xlabel('Date');
    0015 ylabel('Runs');