A test to count missing values for large data

This morning Rick introduced how to count the missing frequencies for all variables in a dataset, including character and numeric variables. He provided two solutions by either PROC FREQ or PROC IML. I have a petty macro based on PROC SQL’s nmiss() f…

A test to count missing values for large data

This morning Rick introduced how to count the missing frequencies for all variables in a dataset, including character and numeric variables. He provided two solutions by either PROC FREQ or PROC IML. I have a petty macro based on PROC SQL’s nmiss() f…