Check For Null Values In Sas (2024-2026)

Use a period to check for standard missing values. if age = . then flag = "Missing"; Use code with caution. Copied to clipboard

Note: To capture special missing values (like .A through .Z or ._ ), use if variable_name <= .z . Check For Null Values In Sas

The most versatile way to check for a missing value in a DATA step is the MISSING() function, which works for both numeric and character data. Use a period to check for standard missing values

Use a blank space enclosed in quotes. if name = ' ' then flag = "Missing"; Use code with caution. Copied to clipboard 2. Checking Multiple Variables at Once Check For Null Values In Sas