Forum Discussion

A-kitaev's avatar
A-kitaev
New Member
9 years ago
Solved

Remove duplicates - keep last vs keep first

Hi, I need to remove rows in a table that have duplicate values and I need to keep last one. Power BI by default keeps first one regardless of sorting order. I tried to use buffered table in advan...
  • v-sihou-msft's avatar
    v-sihou-msft
    9 years ago

    A-kitaev

     

    In this scenario, if you want to keep the last records associated with each group column. You can build a calculated table aggregating values with max sort within each group.  

     

    I assume you a have a table like below:

     

     

    Then you can create a calculated table like below:

     

    Table = SUMMARIZE(
	Table3,Table3[Name],
	"Last Value",
	CALCULATE(SUM(Table3[Value]),
		FILTER(Table3,Table3[Sort]=MAX(Table3[Sort]))
	)
	)

     

     

    Regards,

v-sihou-msft's avatar
v-sihou-msft
Microsoft Employee
9 years ago

A-kitaev

 

In this scenario, if you want to keep the last records associated with each group column. You can build a calculated table aggregating values with max sort within each group.  

 

I assume you a have a table like below:

 

 

Then you can create a calculated table like below:

 

Table = SUMMARIZE(
	Table3,Table3[Name],
	"Last Value",
	CALCULATE(SUM(Table3[Value]),
		FILTER(Table3,Table3[Sort]=MAX(Table3[Sort]))
	)
	)

 

 

Regards,

hmenco's avatar
hmenco
Frequent Visitor
5 years ago

Hi! Can you help me add a custom column counting the number of entries? Outcome shall be the same as the SORT column used here. Thank you!