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Anonymous
Not applicable

Finding the values for most recent transaction date, then finding their percent of all recent values

Hello, I am rather new and looking to figure out this via measure(s). I can't seem to find a suitable answer in past answers that's working for me. Also, please let me know if this is something better tackled via query.

 

I am working with the first table, and looking to create the third matrix. The middle filtered table is just for context. I need to first isolate the most recent dates and grades, then I need to understand how to calculate what only the most recent gradings are as a percentage of A, B, and C.

 

Start:

GradeRestaurantDate
aBob2/15/2022
aBob1/15/2022
cBob3/1/2022
bSue12/13/2021
aSue2/1/2022
bSue3/3/2022
cGreg2/1/2022
aGreg1/31/2022
cGreg1/15/2022
bMiss1/8/2022
bMiss1/9/2022
aMiss1/20/2022
cJon2/3/2022
aJon1/3/2022
bJon3/3/2022
bPam12/2/2021
aPam9/8/2021
cPam6/2/2021

 

Isolate latest:

GradeRestaurantDate
cBob3/1/2022
bSue3/3/2022
cGreg1/31/2022
aMiss1/20/2022
bJon3/3/2022
bPam12/2/2021

 

Final Matrix:

Grade% Restaurants (Latest)
a17%
b50%
c33%

 

Thank you in advance to all that help!

1 ACCEPTED SOLUTION
amitchandak
Super User
Super User

@Anonymous , Please find the file attached with solution after signature

 

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View solution in original post

3 REPLIES 3
v-easonf-msft
Community Support
Community Support

Hi @Anonymous 

ALLSELECTED : Removes context filters from columns and rows in the current query, while retaining all other context filters or explicit filters.

Regarding MAX, my understanding is that returning the [Restaurant] of the current table is compared to the [Restaurant] in the virtual table, and when the value of 2 [Restaurant] are the same, the largest date is returned .

 

Best Regards,
Community Support Team _ Eason
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

amitchandak
Super User
Super User

@Anonymous , Please find the file attached with solution after signature

 

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Anonymous
Not applicable

Hi, Thank you so much for the response!

 

I just have one point of confusion so far, about the measure(s) which are getting the Last Date/Grade. Below is how I'm reading it an my question:

 

Last Date is doing the following:

 

Creating a variable (_max) for the most recent date

  • MAXX finds the latest date (expression Date[Date]) for rows in the table (FILTER function)
    • FILTER reduces data and produces a table for MAXX by the expression (MAX of the restaurant)

 

  1.  What I guess I don't understand is, what is the MAX function performing? Is it just returning 1 of each of the restaurants?
  2. Also, what is the purpose of ALLSELECTED?

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