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Hi,
I have a detailed data model and I would like to calculate how many transactions there are with n items per transaction.
In SQL this would look something like this:
select numOfItems, count(*) as transactions
from (
select transaction_id, count (*) as numOfItems
from trans_articles
group by transaction_id
) temp
group by numOfItems
However I have no idea how a DAX-measure could look like that generates a result like this.
I've added a .pbix file with some demo data as well as a python-visualisation of the expected / desired result.
You can download it here.
Could someone help, please?
Thanks in advance
Justus
Solved! Go to Solution.
Hi , @Jayshamone
According to your description, and thanks for your sample .pbix fike , you want to get the data the same as your sql.
Here are the steps you can refer to :
(1)We need to create a dimension table like your [numOfItem], we can click "New Table" and enter this:
Table = var _max_items =MAXX( SUMMARIZE('Tabelle1', 'Tabelle1'[transaction_id], "count" ,COUNT('Tabelle1'[item_position])) , [count])
return
GenerateSeries(1,_max_items)
And the table we do not create any relationship between the other tables.
(2)Then we can create two measures:
Measure = var _summrize_tranid = SUMMARIZE('Tabelle1', 'Tabelle1'[transaction_id], "count" ,COUNT('Tabelle1'[item_position]))
var _cur_item_count = MAX('Table'[Value])
var _count = COUNTROWS( FILTER(_summrize_tranid , [count] = _cur_item_count))
return
_count
Right Total = SUMX( VALUES('Table'[Value]) , [Measure])
(3)Then we can put the 'Table'[Value] and the [Right Total] on the table visual and we can meet your need:
Thank you for your time and sharing, and thank you for your support and understanding of PowerBI!
Best Regards,
Aniya Zhang
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly
Hi , @Jayshamone
According to your description, and thanks for your sample .pbix fike , you want to get the data the same as your sql.
Here are the steps you can refer to :
(1)We need to create a dimension table like your [numOfItem], we can click "New Table" and enter this:
Table = var _max_items =MAXX( SUMMARIZE('Tabelle1', 'Tabelle1'[transaction_id], "count" ,COUNT('Tabelle1'[item_position])) , [count])
return
GenerateSeries(1,_max_items)
And the table we do not create any relationship between the other tables.
(2)Then we can create two measures:
Measure = var _summrize_tranid = SUMMARIZE('Tabelle1', 'Tabelle1'[transaction_id], "count" ,COUNT('Tabelle1'[item_position]))
var _cur_item_count = MAX('Table'[Value])
var _count = COUNTROWS( FILTER(_summrize_tranid , [count] = _cur_item_count))
return
_count
Right Total = SUMX( VALUES('Table'[Value]) , [Measure])
(3)Then we can put the 'Table'[Value] and the [Right Total] on the table visual and we can meet your need:
Thank you for your time and sharing, and thank you for your support and understanding of PowerBI!
Best Regards,
Aniya Zhang
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly
Thank you for the transparent and easy to understand step-by-step solution
@Jayshamone , You have to create a measure first and then create a dynamic segmentation
cnt = count(Table[Transaction ID])
Dynamic segmentation -Measure to Dimension conversion: https://youtu.be/gzY40NWJpWQ
When you need between range
Dynamic Segmentation Bucketing Binning
https://community.powerbi.com/t5/Quick-Measures-Gallery/Dynamic-Segmentation-Bucketing-Binning/m-p/1...
Dynamic Segmentation, Bucketing or Binning: https://youtu.be/CuczXPj0N-k
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