# fig7_3

## PURPOSE

Local Regression and Likelihood, Figure 7.3.

## SYNOPSIS

This is a script file.

## DESCRIPTION

     Local Regression and Likelihood, Figure 7.3.

     Censored local regression.

     Author: Catherine Loader

     NEEDS: Kaplan-Meier based estimate. Identify curves and cens/uncens. data

## CROSS-REFERENCE INFORMATION

This function calls:

- lf_censor
- 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 7.3.
    0002 %
    0003 % Censored local regression.
    0004 %
    0005 % Author: Catherine Loader
    0006 %
    0007 % NEEDS: Kaplan-Meier based estimate. Identify curves and cens/uncens. data
    0008
    0009 load heart;
    0010 fit = locfit(age,log(0.5+surv));
    0011 figure('Name','fig7_3: censored local regression Kaplan-Meier based;' );
    0012 lfplot(fit);
    0013 xlabel('Age at Transplant (years)');
    0014 ylabel('0.5+Survival Time (Days)');
    0015
    0016 fit = lf_censor(age,log(0.5+surv),cens);
    0017 hold on;
    0018 lfplot(fit,'nodata');
    0019 hold off;