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  • Users: Igus
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  1. Igus

    Please help: standard deviation formula

    I have a table with the following fields: 1. order date 2. order number 3. code ordered 4. order amount What I want is the average and the daily standard deviation for every different code. I grouped data for {order date} and then for {code ordered}. For the daily amount I did: sum ({order...
  2. Igus

    An easy one: order amounts analysis

    Hi all, I'm trying to make a complete analysis of order amounts in the last X months. I have a table with: 1)order number; 2) order date; 3)code; 4) amount; 5) customer. What I need is: a) daily amount average for each code; b) standard deviation for each code; c) number of customers for each...

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