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Helper I

## Most recent previous date

HI I have a table that looks something like this

 Person ID Date A 12/31/2019 A 12/1/2019 A 10/2/2019 A 6/1/2019 B 12/10/2019 B 10/1/2019 C 6/12/2019 C 3/1/2019 C 2/19/2019

For each row, I want to calculate what the previous date was, for that person.

For example:

 Person ID Date Previous A 12/31/2019 12/1/2019 A 12/1/2019 10/2/2019 A 10/2/2019 6/1/2019 A 6/1/2019 B 12/10/2019 10/1/2019 B 10/1/2019 C 6/12/2019 3/1/2019 C 3/1/2019 2/19/2019 C 2/19/2019

How can I do this?

1 ACCEPTED SOLUTION
Resolver III
Previous date =
var date_ = 'Table'[Date]
var ID_ = 'Table'[Person ID]
return
CALCULATE(MAX('Table'[Date]);FILTER(ALL ('Table') ; 'Table'[Person ID] = ID_ && 'Table'[Date] < date_))
3 REPLIES 3
Super User

In case you want a column

new column = maxx(filter(table, table[personID]=earlier(table[personID]) && table[Date]<earlier(table[Date])),table[Date])

Appreciate your Kudos. In case, this is the solution you are looking for, mark it as the Solution. In case it does not help, please provide additional information and mark me with @
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Resolver III
Previous date =
var date_ = 'Table'[Date]
var ID_ = 'Table'[Person ID]
return
CALCULATE(MAX('Table'[Date]);FILTER(ALL ('Table') ; 'Table'[Person ID] = ID_ && 'Table'[Date] < date_))
Community Champion

Hi!  Take a look at this

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