Used by students, scientists, and government health agencies, PEPI is the most complete and easy-to-use collection of statistical programs of public health techniques. Each statistical technique is thoroughly explained and illustrated with practical examples from basics to advanced methods. Included is a CD-ROM that contains the computer programs discussed throughout the book. Simple and easy to run, each program takes the user through a step-by-step process to enter the data. Results are given on screen and may be printed or stored for entry into spreadsheets.