Graduate Prerequisites: (SPH PH 717 OR SPH BS 704 OR SPH BS 700 OR SPH BS 800) or consent of instructor. Can't be taken together for credit with SPH PH 760 or BS 730. This course introduces students to statistical computing with focus on the SAS software. Emphasis is on manipulating data sets and basic statistical procedures such as t-tests, chi-square tests, correlation and regression. Conditions underlying the appropriate use of these statistical procedures are reviewed. Upon completion of this course, the student will be able to use SAS to: read raw data files and SAS data sets, subset data, create SAS variables, recode data values, analyze data and summarize the results using the statistical methods enumerated above. This course includes hands-on exercises and projects designed to facilitate understanding of all the topics covered in the course. Students use software available through the Boston University Medical Center. This course is a prerequisite for these SPH courses: BS 805, BS 818, BS 819, BS 851, BS 852, BS 853 and BS 858.