Check For Null Values In Sas ★

Counts missing values for mixed data types without requiring type conversion.

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

If you need to count how many fields are missing across a row, use these specialized functions: Counts missing values for mixed data types without

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. If you want to audit an entire dataset

If you want to audit an entire dataset rather than filtering row-by-row, use PROC FREQ or PROC MEANS. Missing Values in SAS - ListenData

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