SAS software package is used to read in, process, and output statistical information from data sets. SAS software is very powerful and it has the capability to analyze almost all types of statistical problems. In this course, we will learn SAS for Windows. The other types of SAS, for examples, SAS for Unix, SAS for Mac etc., are very similar and we will not cover them here. SAS is organized into steps, which are like paragraphs.
Variable names suffer the same restrictions as data set names.
They should not be repeated in an input statement. The default type is assumed to be an integer or real number. Other formats will be discussed later, but are less important. In order to write a computer program, you must create a file using an editor. After you have written your SAS program file, you will need to save it and then submit it for batch processing.