Conditions for Boolean variables
When you add a boolean variable to the Filter pane, the right side of the pane enables you to define a condition based on the selected variable.
Select the option from the list that you want to apply:
▪is true. Include cases for which the value is True.
▪is false. Include cases for which the value is False.
▪has a value. Include cases where a value exists for the selected variable.
▪has no value. Include cases where there is no value for the selected variable. This includes cases where a particular survey question was skipped, for example.
See also