The Filter to Include Tall Rows field is an optional parameter that enables you to filter columns of the wide data set based on variables in the Tall SAS Data Set. Only columns corresponding to rows that meet the condition(s) specified are included in the output.For example, to include only rows from a data set containing a value greater than 100 for the spot variable, you could use the following simple WHERE expression:Note: The word where has already been entered for you.