The following software may be downloaded for free:
     
Epidemiology Software from the Centers for Disease Control and Prevention (CDC):
    

Exploratory Spatial Data Analysis (ESDA) with GeoDa:

      

Software from the National Cancer Institute:

    

Software from the Agency for Toxic Substances and Disease Registry (ATSDR):

    
The R Project for Statistical Computing:
     
 

Copyright © 2007 Public Health Research Laboratories, Inc. All rights reserved.
Revised: October 2, 2007