DO loop in SAS examples?

DO loop in SAS examples?

SAS Do Loop Example:- run; data A; do i = 1 to 4; y = i**2; /* values are 2, 5, 9, 16, 25 */ output; end; run; data A; do i = 1 to 4; y = i**2; /* values are 2, 5, 9, 16, 25 */ output; end; run; The END statement marks the end of the SAS loop.

Do While and Do Until loop?

A “Do While” loop statement runs while a logical expression is true. This means that as long as your expression stays true, your program will keep on running. Once the expression is false, your program stops running. A “Do Until” loop statement runs until a logical statement is true.

What is do while loop statement?

A do while loop is a control flow statement that executes a block of code at least once, and then repeatedly executes the block, or not, depending on a given boolean condition at the end of the block. Some languages may use a different naming convention for this type of loop.

Do while loops SAS data step?

The DO UNTIL statement executes statements in a DO loop repetitively until a condition is true, checking the condition after each iteration of the DO loop. The DO WHILE statement evaluates the condition at the top of the loop; the DO UNTIL statement evaluates the condition at the bottom of the loop.

What is do while in SAS?

The DO WHILE statement evaluates the condition at the top of the loop; the DO UNTIL statement evaluates the condition at the bottom of the loop. Note: If the expression is false, the statements in a DO WHILE loop do not execute.

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