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Hi all,
I think I have a somewhat easy question, but I'm having a hard time solving. I'm try to find the count of repeat customers by year, comparing this year to the previous year. For example, in the sample data table John would not count as a repeat customer because it was not in consecutive years. Thank you in advance!
Sample Data
Year | Customer |
1/1/2018 | | John |
1/1/2018 | | Sam |
1/1/2019 | | Sam |
1/1/2019 | | Leon |
1/1/2020 | | John |
1/1/2020 | | Sam |
1/1/2020 | | Leon |
Expected Result
Year | Repeat Customer from Previous Year |
1/1/2018 | | 0 |
1/1/2019 | | 1 |
1/1/2020 | | 2 |
Solved! Go to Solution.
Hi @Index_Match
Try this measure [without Date Table]:
Repeat Customers =
VAR _A =
ADDCOLUMNS (
Customer,
"CY",
CALCULATE (
DISTINCTCOUNT ( Customer[Customer] ),
FILTER (
ALL ( customer ),
YEAR ( Customer[Year] )
= YEAR ( EARLIER ( Customer[Year] ) ) - 1
&& Customer[Customer] = EARLIER ( Customer[Customer] )
)
) + 0
)
RETURN
SUMX ( _A, [CY] )
output:
If this post helps, please consider accepting it as the solution to help the other members find it more quickly.
Appreciate your Kudos!!
LinkedIn: www.linkedin.com/in/vahid-dm/
@Index_Match my solution is already using a date table, did you look at it at all?
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Hi @Index_Match
Try this measure [without Date Table]:
Repeat Customers =
VAR _A =
ADDCOLUMNS (
Customer,
"CY",
CALCULATE (
DISTINCTCOUNT ( Customer[Customer] ),
FILTER (
ALL ( customer ),
YEAR ( Customer[Year] )
= YEAR ( EARLIER ( Customer[Year] ) ) - 1
&& Customer[Customer] = EARLIER ( Customer[Customer] )
)
) + 0
)
RETURN
SUMX ( _A, [CY] )
output:
If this post helps, please consider accepting it as the solution to help the other members find it more quickly.
Appreciate your Kudos!!
LinkedIn: www.linkedin.com/in/vahid-dm/
How would the measure need to be adjusted if using a date table?
@Index_Match solution attached, and core measure is this:
Repeat Customers =
VAR __thisYearCustomer = VALUES ( Customer[Customer] )
VAR __lastYearCustomer = CALCULATETABLE ( VALUES ( Customer[Customer] ), PREVIOUSYEAR ('Calendar'[Date] ) )
RETURN
COUNTROWS ( INTERSECT ( __thisYearCustomer, __lastYearCustomer ) ) + 0
Learn about conditional formatting at Microsoft Reactor
My latest blog post The Power of Using Calculation Groups with Inactive Relationships (Part 1) (perytus.com) I would ❤ Kudos if my solution helped. 👉 If you can spend time posting the question, you can also make efforts to give Kudos to whoever helped to solve your problem. It is a token of appreciation!
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Subscribe to the @PowerBIHowTo YT channel for an upcoming video on List and Record functions in Power Query!!
Learn Power BI and Fabric - subscribe to our YT channel - Click here: @PowerBIHowTo
If my solution proved useful, I'd be delighted to receive Kudos. When you put effort into asking a question, it's equally thoughtful to acknowledge and give Kudos to the individual who helped you solve the problem. It's a small gesture that shows appreciation and encouragement! ❤
Did I answer your question? Mark my post as a solution. Proud to be a Super User! Appreciate your Kudos 🙂
Feel free to email me with any of your BI needs.
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