Step-by-Step Programming with Base SAS 9.4

Summary

Statements

DELETE;

prevents SAS from writing a particular observation to the output data set. It usually appears as part of an IF-THEN/ELSE statement.

IF condition THEN action ELSE action;

tests whether the condition is true. When the condition is true, the THEN statement specifies the action to take. When the condition is false, the ELSE statement provides an alternative action. The action can be one or more statements, including assignment statements.

LENGTH variable <$> length;

assigns the number of bytes of storage (length) for a variable. Include a dollar sign ($) if the variable is character. The LENGTH statement must appear before the first use of the variable.

variable = expression

is an assignment statement. ...