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Anonymous
Not applicable

## Create a new calculated column in matrix

Hi guys,

I'm quite new with Power Bi and i am using a matrix to group my data like this.

Now I want to add a new column which allow me to make a new calculation = ([q'ty per unit of 3rd month] - [q'ty per unit of 2nd month]) * [Price per Unit of 3rd month]

Is there any simple way help me to do so since I'm not an expect with DAX. Thanks for your help.

1 ACCEPTED SOLUTION
Community Support

@Anonymous ,

You can modify the measure above as below:

`Result =VAR qty_per_unit_of_first_month_in_slicer =CALCULATE ( MIN ( Table[q'ty per unit] ), ALLSELECTED ( Table ) )VAR qty_per_unit_of_last_month_in_slicer =CALCULATE ( MAX ( Table[q'ty per unit] ), ALLSELECTED ( Table ) )VAR Price_per_Unit_of_last_month =CALCULATE (MAX ( Table[Price per Unit] ),FILTER ( Table, Table[Month] = qty_per_unit_of_last_month_in_slicer ))RETURNqty_per_unit_of_last_month_in_slicer - qty_per_unit_of_first_month_in_slicer * Price_per_Unit_of_last_month`

Community Support Team _ Jimmy Tao

If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

4 REPLIES 4
Community Support

@Anonymous ,

Generally, you can create a measure using DAX like pattern below and drag the measure to the value field:

```Result =
VAR qty_per_unit_of_3rd_month =
CALCULATE ( MAX ( Table[q'ty per unit] ), FILTER ( Table, Table[Month] = 3 ) )
VAR qty_per_unit_of_2rd_month =
CALCULATE ( MAX ( Table[q'ty per unit] ), FILTER ( Table, Table[Month] = 2 ) )
VAR Price_per_Unit_of_3rd_month =
CALCULATE ( MAX ( Table[Price per Unit] ), FILTER ( Table, Table[Month] = 3 ) )
RETURN
qty_per_unit_of_3rd_month - qty_per_unit_of_2rd_month * Price_per_Unit_of_3rd_month
```

Community Support Team _ Jimmy Tao

If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

Anonymous
Not applicable

@v-yuta-msfthi,

It worked for me, in this case i used the slicer to select month 2 to 3, and the DAX you provided also apply to month 2 & 3.

How can i change the DAX so that it will be apply directly to the slicer, for example: I selected to compare the month 1 &4 and the Dax Measure also changed to month 1 & 4?

Community Support

@Anonymous ,

You can modify the measure above as below:

`Result =VAR qty_per_unit_of_first_month_in_slicer =CALCULATE ( MIN ( Table[q'ty per unit] ), ALLSELECTED ( Table ) )VAR qty_per_unit_of_last_month_in_slicer =CALCULATE ( MAX ( Table[q'ty per unit] ), ALLSELECTED ( Table ) )VAR Price_per_Unit_of_last_month =CALCULATE (MAX ( Table[Price per Unit] ),FILTER ( Table, Table[Month] = qty_per_unit_of_last_month_in_slicer ))RETURNqty_per_unit_of_last_month_in_slicer - qty_per_unit_of_first_month_in_slicer * Price_per_Unit_of_last_month`

Community Support Team _ Jimmy Tao

If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

Anonymous
Not applicable

Send me your pbix to fix it...(I need to see how your tables are)

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