Check For Null Values In Sas ❲2027❳

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

If you need to count how many fields are missing across a row, use these specialized functions: Check For Null Values In Sas

Note: To capture special missing values (like .A through .Z or ._ ), use if variable_name <= .z . Use a period to check for standard missing values

if missing(variable_name) then do; /* Action for missing value */ end; Use code with caution. Copied to clipboard Check For Null Values In Sas

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