How to find a dyanic mean of column in Formula in prepare recipe

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NilamberPanda
NilamberPanda Partner, Dataiku DSS Core Designer, Dataiku DSS Core Concepts, Registered Posts: 9 Partner

I have 3 columns Average transaction value, frequency and lifespan. I am trying to do a maths formula in prepare recipe by multiplying

Average transaction value* frequency * average (lifespan)

How can I calculate the average(lifespan) dynamically in the prepare recipe formula itself?

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  • fchataigner2
    fchataigner2 Dataiker Posts: 355 Dataiker
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    Hi,

    if by "average(lifespan)" you mean "average on some group of rows" (maybe on the full dataset), then you need to use the Window recipe.

    The Prepare recipe operates purely row-by-row, and to compute values on group of rows you need to either do a Group recipe then join back the aggregates on the data, or use a Window recipe to do it in one go.

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