Description:

This folder contains a sample SAS program for a simulated data set as well as a sample SAS program for a real data set.

Citation:

R. Feng, G. Zhou, M. Zhang and H.P. Zhang. Twin analysis using SAS. Biometrics.

To perform an analysis:

1. Prepare the data file as in the sample data set.
2. Open SAS, and replace the data file name and the variable names with yours.
3. Run the program.