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htittoto
Frequent Visitor

CountIfs by past data

559B572A-E902-49E4-8180-76467D4D1A94.jpeg

Hello,

 

could someone help me? I'm trying to built a column in power query to count how many times have I made a sale and, most importantly, what sale (order by brand and date) was that. The image shows that the column "Previous Sale Count by Make" is what I'm having trouble with.

1 ACCEPTED SOLUTION

you mjust load you data and goes unde view/advance editors panel in PBI (I understood you use PBI, is it true?).

image.png

 

 

inside this panel cut and paste the lines of code you find in my post.

edit and modify so that you have a situation like this:

 

 

image.png

 

 

that is all.

 

 

View solution in original post

4 REPLIES 4
Rocco_sprmnt21
Community Champion
Community Champion

a guess for the "hard" part only 😁

you have to add these lines after your lasta step and adapt the name of yourTab and other parameter as you like:

 

    grp = Table.Group(yourTab, {"Make"}, {{"grpMake", each Table.AddIndexColumn(_, "Prev by Make", 0, 1)}}),
    resulTab= Table.Sort(Table.ExpandTableColumn(grp, "grpMake", {"Model", "date", "Prev by Make"}),"date")
in
    resulTab

 

 

Thanks for replying @Rocco_sprmnt21 ,

 

unfortunately, I couldn't quite understand how to implement it, I believe I'm not that advanced in PBI yet. Could you please explain step-by-step how to implement it a little bit more, please?

you mjust load you data and goes unde view/advance editors panel in PBI (I understood you use PBI, is it true?).

image.png

 

 

inside this panel cut and paste the lines of code you find in my post.

edit and modify so that you have a situation like this:

 

 

image.png

 

 

that is all.

 

 

Thanks @Rocco_sprmnt21 ! 

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