问Tableau -地图上的问题

EN

Case [Parameters].[Week/Month/Year]
when 'Year' then [Event Date -  Year]
when 'Week' then [Event Date-Week]
when 'Month' then [Event Date -  Month]
END

Case [Parameters].[KPI]
when 'SS%' then -[SS% ]
when 'CR%' then -[SC%]
when 'AR%' then -[AR%]
when 'Clicks' then SUM([Clicks])
when 'Signup Starts' then SUM([Starts_old])
when 'Signup Completes' then SUM([Sign Ups])
when 'Activs' then SUM([Actives till date])
END