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I need a moving average to be calculated based on a date range, so far I got the AVG working, but is not calculating the required value for the first days up to the moving days range defined in a parameter.
Just wondering how can I make Tableau to graph the data between a given date range, when there is another date range required to secure the correct values for some of the initial data points being calculated.
I am including an excel file which will help explain myself clearly.