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Thread: Distinct Count Issue

  1. #1
    Neophyte IH8DATA's Avatar
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    Distinct Count Issue



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    Good morning,
    I am trying to figure out how many points of distribution (distinct count of customers) I have for a given product within the most recent 90 days.
    I have three lookup tables:



    • sku_data – unique values for all of my products (how I link my product ID)
    • customer_table – unique values for all of my customers (how I link my customer ID)
    • calendar_data – my date table


    My fact (data) table is ‘sales_data’ and it is at the invoice level. That means that a customer can have a row for each product they bought within a day and a column for how many cases were deliverd and how much they were charged.

    Here is my formula.


    POD Delv Cases 2019:=CALCULATE(
    DISTINCTCOUNT( sales_data[SD_CUST_ID] )
    , FILTER( customer_table , [Delivered Cases] >= 1 )
    , FILTER( ALL( calendar_data[Date] ) , calendar_data[Date] > TODAY() – 90 )
    )

    Where – [Delivered Cases] = SUM( sales_data[delv_cases])

    Can anyone help me understand why a product that has no delivered cases in the last 90 days would show anything other than 0?

    Thank you

  2. #2
    Super Moderator Bob Phillips's Avatar
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    Mar 2011
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    O365
    Can you post some sample data?

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