=IF(AND(Status@row < 1, [Target Completion Date]15 <= TODAY()), "Past Due", IF(AND(Status@row < 1, [Target Completion Date]15 > TODAY()), "On Track", IF(AND(Status@row = 1, [Target Completion Date]15 >= TODAY()), "Complete", IF(AND(Status@row = 1, [Target Completion Date]15 <= TODAY()), "Complete", IF(AND(ISBLANK(Status@row), ISBLANK([Target Completion Date]15), "Not Started Yet"))))))
Im checking the status of 2 columns to determine the results. the only issue I have if both columns are blank, I wanted to say not started yet