show the last 12 months of sales with a cohort calculation and first purchase happened in the last year

tableaucommunity@tableau.com — Thu, 07 Aug 2014 06:18:18 GMT

I want to show the last 12 months of sales with a cohort calculation and seperating customers who had purchases prior to this time range vs.those whose first purchase happened in the last year.

I create a parameter and dateadd funct. but the result not correct.

Could you please tell me step by step?because so important.

do you have any ideas?

Thank you

Özge.

Moving Average for six months prior and six months after?

tableaucommunity@tableau.com — Wed, 06 Aug 2014 12:49:18 GMT

Hi Everyone, how do ı calculate the moving avg. of sales in october(doesn't matter for month) of 2012,including six months prior and six months after ?

Data source:Sample-Superstore(Excel)

I try to solve this problem..

Pls.help me..

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show the last 12 months of sales with a cohort calculation and first purchase happened in the last year

Moving Average for six months prior and six months after?