1. What is SAS?
- SAS stands for Statistical Analysis System.
- It is an integrated set of software products.
- It is the largest market share holder for advanced analystics.
2.. What is SAS used for?
SAS is used for:
SAS is used for:
- Advanced Analytics
- Business Intelligence
- Data Management
- Predictive Analytics
- Time Series Analysis
- Data Mining
- Statistical Analysis
3. What is a SAS file?
A SAS file is a specially structured file that is created, organized and maintained by SAS. Some examples of SAS files are:
A SAS file is a specially structured file that is created, organized and maintained by SAS. Some examples of SAS files are:
- SAS Data Sets
- SAS catalogs
- SAS/ACCESS descriptor files
- Stored compiled Data Step programs

5. What is the Descriptor Portion of a SAS Data Set?
The Descriptor Portion of a SAS Data Set contains
Data Set properties such as:
The Descriptor Portion of a SAS Data Set contains
Data Set properties such as:
- Data Set name
- Data member type
- Engine
- Date created
- Number of Observations
- Number of variables
- Variable data types
- Variable names
- Variable lengths
- Variable formats and informats
- Variable labels