I'm new to tableau and I know that there has been a lot of discussions regarding YTD values, but I've still cannot seemed to be able to get the kind of YTD which I wanted.
I will like to calculate a year to date (Actual YTD) value based on the below logic:
Quarter Actual = NumOfGoodResponse / NumOfSurveys
Q1 Actual YTD = Q1 NumOfGoodResponse / Q1 NumOfSurveys
Q2 Actual YTD = sum(Q1 + Q2 NumOfGoodResponse ) / sum(Q1 + Q2 NumOfSurveys)
Q3 Actual YTD = sum(Q1 + Q2 + Q3 NumOfGoodResponse ) / sum(Q1 + Q2 + Q3 NumOfSurveys)
Q4 Actual YTD = sum(Q1 + Q2 + Q3 + Q4 NumOfGoodResponse ) / sum(Q1 + Q2 + Q3 + Q4 NumOfSurveys)
I've tried using window_sum but it does not seemed to be able to do dividing of the window summation.
Appreciate any advice given. Thanks!
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