Complete SAS Programming Guide - Learn SAS and Become a Data Ninja - More on Creating New Variables

The video tutorial explains how to create variables in SAS, covering the syntax and types of expressions that can be used. It discusses how the type of expression determines the variable type and emphasizes the importance of understanding mathematical precedence. A practical example is provided using a data set to create a total variable, demonstrating the application of these concepts.

What is the role of the assignment operator in SAS?

• To concatenate two strings

• To delete a variable

• To assign a value or expression to a variable

• To compare two variables

Which of the following is a character constant in SAS?

• 5+5

• 5.0

• '5'

• 5

In SAS, what determines the type of a variable?

• The name of the variable

• The type of expression assigned to it

• The order of operations

• The length of the variable name

Which operation is performed first according to SAS's rules of precedence?

• Addition

• Subtraction

• Multiplication

• Exponents

How can you reference multiple variables in a sequence in SAS?

• By using a dash between the first and last variable

• By listing each variable individually

• By using a semicolon between the first and last variable

• By using a comma between the first and last variable