About SAS
Statistical Analysis System (SAS)
Is a set of solutions for enterprise-wide business users for performing:
Data Entry, Retrieval and Management
Report writing and graphics
Statistical and Mathematical Analysis
Business planning, Forecasting and Decision support
Operations research and Project management
Quality improvement
Applications development
The core of the SAS system is base SAS software, which consists of:
SAS Language
SAS Procedures
SAS Macros
Data Step debugger
ODS
Windowing Environment
The basic components of SAS language are:
SAS Files
Data Step
Procedure Step
SAS Informats
SAS Formats
Variables
Functions
Statements
Miscellaneous(SAS Programs, Outputs, Log and Errors )
SAS GUI
SAS Programming Environment Contains 6 Main Windows:
1. Project Designer: Shows the Process Flow of a Project in Flow charts
2. Project Explorer: Shows the Process Flow of a Project as Drop Down
Menu
3. Code Editor: Used to write and Edit codes
4. Server List: Show the Physical Storage Locations of Data
5. Log Window: Information about the execution of a program and
Lists the errors while execution
6. Output Window: Displays the output of execution of a program
SAS Programs
SAS programs can be used to access, manage, analyze, or present your data
Layout for SAS Programs
SAS statements are in free format. This means that:
they can begin and end anywhere on a line
one statement can continue over several lines
several statements can be on a line.
SAS statements can be specified in uppercase or lowercase
In most situations, text that is enclosed in quotation marks is case sensitive
