Introduction to SAS

History:
1966, anthony j. barr (one of the founder member)

1976, sas.inc http://www.sas.com/


SAS is a data warehousing tool, falls in the catagory of :
ETL -> extraction transforming loading
Reporting & Analytics tool

SAS is the combination of:
1. High level language
2. Data manipulation tool
3. Data analytics tool
4. ETL & Reporting tool

Quick navigation through sas window:
editor window  - f5 - is used to write your sas code.
log window      - f6 - is used to to see syntax error and information
                                about the code submitted
output window - f7 - is used to see the result of successfully executed code
explorer window     - is used to toggle in between the libraries and hard drives.
result window         - is used to store all your result in table of contents manner.

to execute or to submit code -
1. press f3 or
2. click on submit button

Stages in SAS -
1. extraction
2. manipulation
3. analysis
4. reporting


Components of SAS-
1. DATA steps - extraction and manipulation
2. PROC steps - analysis,reporting


SAS terminology:
------------------------------------
  General               SAS
------------------------------------
   tables                  datasets


  rows                   observations
  columns              variables