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Helper III

## How to Calculate Invoice before Churn

Hi Experts,

I need little help, I want to calucate the invoice amount of the customer before churn. I have two tables which connected with unique user id.

``````User ID   Churn Date
12568      03 March 2020
45889      03 March 2020
12155      03 March 2020
12158      03 March 2020
21215      03 March 2020
21515      03 March 2020

2nd Table I have monthly Invoice table
Invoice Date    User ID    Invoive Amount
1 Jan 2020        12568       \$100
1 Feb 2020        12568       \$90
3 March 2020      12568       \$80``````

In this case I need result for User ID "12568 = \$90" means invoice before churn. Even his invoice generated in March 2020. We need to look only churn date and get the value before churn date

1 ACCEPTED SOLUTION
Super User

Perhaps:

``````Before Churn Column in Table 1=
VAR __UserID = [User ID]
VAR __ChurnDate = [Churn Date]
VAR __DateBeforeChurn =
MAXX(
FILTER(
'Table2',
'Table2'[User ID] = __UserID &&
'Table2'[Invoice Date] < __ChurnDate
),
[Invoice Date]
)
RETURN
MAXX(
FILTER(
'Table2',
'Table2'[User ID] = __UserID &&
'Table2'[Invoice Date] = __DateBeforeChurn
),
[Invoice Amount]
)
``````

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DAX is easy, CALCULATE makes DAX hard...
2 REPLIES 2
Super User

Perhaps:

``````Before Churn Column in Table 1=
VAR __UserID = [User ID]
VAR __ChurnDate = [Churn Date]
VAR __DateBeforeChurn =
MAXX(
FILTER(
'Table2',
'Table2'[User ID] = __UserID &&
'Table2'[Invoice Date] < __ChurnDate
),
[Invoice Date]
)
RETURN
MAXX(
FILTER(
'Table2',
'Table2'[User ID] = __UserID &&
'Table2'[Invoice Date] = __DateBeforeChurn
),
[Invoice Amount]
)
``````

@ me in replies or I'll lose your thread!!!
Instead of a Kudo, please vote for this idea
Become an expert!: Enterprise DNA
External Tools: MSHGQM
YouTube Channel!: Microsoft Hates Greg
Latest book!:
Mastering Power BI 2nd Edition

DAX is easy, CALCULATE makes DAX hard...
Helper III

Thanks Problem solved Many thanks

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