Return first instance of Max Total

[loafers]

Hi,

I have the table below and would like the have a column to return the first occurrence of the highest sum. 

ID	Date	sum
A	12/1/2021	500
A	1/1/2022	100
A	2/1/2022	5
B	1/1/2022	120
B	2/1/2022	100
C	1/1/2019	20
C	6/1/2020	20
C	12/1/2021	20

This table is what I would want. Notice that for ID 'C', even though the sum is the same for the three dates, I just want to show the first time that occurred :

ID	Date	sum	First Date of Max sum
A	12/1/2021	500	12/1/2021
A	1/1/2022	100	12/1/2021
A	2/1/2022	5	12/1/2021
B	1/1/2022	120	1/1/2022
B	2/1/2022	100	1/1/2022
C	1/1/2019	20	1/1/2019
C	6/1/2020	20	1/1/2019
C	12/1/2021	20	1/1/2019

I tried the following but it just returns 12/1/21 (highest value in table). 

=CALCULATE(MIN([Date]),FILTER('new table',[sum]=MAX([sum]) && [ID]=[ID]))

Is there another way to add in that the ID column should be whatever ID is in that row?

[Anonymous]

Hi @loafers,

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Xiaoxin Sheng

[PaulDBrown · Accepted solution]

Try:

1) Sum value = SUM(Table[sum])

2) First Date of Max Sum = 

VAR _MX = MAXX(ALLEXCEPT (Table, Table [ID]), [Sum value])
RETURN

CALCULATE(MIN(Table[Date]), FILTER(ALLEXCEPT (Table, Table [ID]),  [Sum Value] = _MX))