cancel
Showing results for
Did you mean:

Grow your Fabric skills and prepare for the DP-600 certification exam by completing the latest Microsoft Fabric challenge.

Helper IV

## Calculated column.

Hello,

Here is the original table:

I need a calculated column that will for each category display the difference in rating from the base rating for that category.

Here are what the column results would be:

Thank you,

Bob

1 ACCEPTED SOLUTION
Impactful Individual

hello @bob57 ,
pelase try :

``````Result =
var _Currentcategory=Table1[Category Id]
var _Previousrating= MINX(FILTER(Table1,Table1[Rating]<EARLIER(Table1[Rating]) && Table1[Category Id]=_Currentcategory),Table1[Rating])
var _result=Table1[Rating]-_Previousrating
return IF(ISBLANK(_Previousrating),0,_result)``````

if you find this helpful, please consider accepting it as a solution and a kudos is appreciated

6 REPLIES 6
Helper IV

I jumped the gun. There is still one small issue. The calculation must be relative to the Base. So with Category Id 3, record Id = 8 should be 0 (Base = TRUE) and record Id = 9 should be -1.4 (47.6 - 49). So sorry for not being more thorough at first glance.

Impactful Individual

is this the desired result?

``````Result =
var _Currentcategory=Table1[Category Id]
var _Previousrating= MINX(FILTER(Table1,Table1[Rating]<EARLIER(Table1[Rating]) && Table1[Category Id]=_Currentcategory && Table1[Base] = "true"),Table1[Rating])
var _Previousrating2= MINX(FILTER(Table1,Table1[Rating]>EARLIER(Table1[Rating]) && Table1[Category Id]=_Currentcategory && Table1[Base] = "true"),Table1[Rating])
var _result=Table1[Rating]-_Previousrating -_Previousrating2
return IF(Table1[Base]="true",0,_result)``````

Helper IV

Yes. That does it. Thanks you!

Helper IV

This solution works beautifully! Now I have to figure out how it works. Thank you so much!

Impactful Individual

basically, in the MINX,in table selection , you want to filter the table first to show it - 1 row
hence using the earlier , since we used eralier([rating]) this will show 1 row before, the earlier can be used with ealier([rating],2) to show 2 rows before...
hence we filtered the table to show the earlier result and substract current wit hearlier ,then we want to go from down to up so we use MINX to pick up the last one instead of going from up to down, in that case you will use MAXX like the example below:

Impactful Individual

hello @bob57 ,
pelase try :

``````Result =
var _Currentcategory=Table1[Category Id]
var _Previousrating= MINX(FILTER(Table1,Table1[Rating]<EARLIER(Table1[Rating]) && Table1[Category Id]=_Currentcategory),Table1[Rating])
var _result=Table1[Rating]-_Previousrating
return IF(ISBLANK(_Previousrating),0,_result)``````

if you find this helpful, please consider accepting it as a solution and a kudos is appreciated