Dynamic Measure Selection and YOY Calculation

Thank you for your response! I appreciate you reponse. Just to confirm my code's reasoning would be:

Measures to Show = 
IF(
        // This first IF condition forces the measure to evaluate in the context of the visual
	HASONEVALUE(Employees[Employee]), Is this repeated for each columun? In my case the each measure is a column before I switch
 the measure to rows for the table visual (Contact c is table name in the table above).
   Example: HASONEVALUE(ContactC[Total Contacts],
           HASONEVALUE(ContactC[Total CPH],       
         // This next condition avoids getting the error that the visual cannot be displayed
		IF(HASONEVALUE(Attendance[Attendance]), I assume this is a the disconnected table created with the names of all the measures( I will name it MeasureC).
                        // This switch statement uses the values from our Attendance slicer to determine which measure to display
			SWITCH(
          			VALUES(Attendance[Attendance]), Should the values for MeasureC be an index or does this just refer to the names of all the measures? 
          			"Attended",[Attended], Here I just reapeat each measure again I assume it refers to the names.
          			"Not Attended",[NotAttended]
	 			),
                        // If the Attendance slicer has not been selected, just display the date of the training
			MAX([Date])
		)
)


I guess I am having a hard time seeing how the disconnected table connects to the table I just in the previous post without having to rewrite the formulas of the calculated measure.

Once again thanks for the repsonse. I have been trying to figure this out for a while now.