UMASS Department of: Biostatistics and Epidemiology

SAS:The Statistical Analysis System

Basics Combo Desc Stats Advanced Index SASHome Intro Data In Data Out Pretty Cleaning Documentation Environs Basic Structure for SAS Programs, and syntex on the WEB pages. SAS Modular system 2 steps DATA PROCcedures A program is a series of these steps. SAS CODE consists of KEYWORDS and your input. Programming KEYWORDS can be grouped: GLOBAL STATEMENTS DATA STEP KEYWORDS PROC KEYWORDS In the Windows Environment, SAS commands to manipulate the Windows and SAS software are called: DISPLAY MANAGER COMMANDS Course Syntex We will use UPPER CASE letters when we type SAS KEYWORDS to distinguish them from "user" input. Rules for Writing SAS Programs 1. End all lines with semicolon 2. Use comments (lines beginning with "*") liberally to form Program Outline 3. Start with step KEYWORD- DATA, PROC 4. Indent lines under a step 5. Search for "ERROR"s in the program LOG.