Power BI -Proportion of overall criteria * Average

lbanham

New Member
Joined
Feb 17, 2011
Messages
48
Good Afternoon

I need help to work out how to show the proportion of days taken per category. I have posted how this looks in Excel however I am struggling to create a Measure in Power BI to replicate it.

My data is in one large table, called Sheet 1!
The example below: first 2 columns are actual (dummy) data which is SUM totalled and Averaged at the bottom. The third/forth column is how it would be calculated on a line by line basis.
The right hand columns shows how it would roll up on a Terms basis - so Z130 contributed 1.69 days to the overall average of 9.97

I wasn't sure whether to create the row level Contribution as a Calculated field first, then use a measure to summarise or if that would slow the model down (its C145k rows)

Any help and guidance would be appreciated.:unsure:


TermsDaysContributionFormulaTermsDaysContribution
ZR00
7​
0.24138​
A2/$A$31*$A$32ZR00
30​
1.03
ZR00
8​
0.27586​
ZR30
82​
2.83
ZR00
8​
0.27586​
ZI45
128​
4.41
ZR00
7​
0.24138​
ZI30
49​
1.69
ZR30
8​
0.27586​
289.009.97
ZR30
7​
0.24138​
ZR30
7​
0.24138​
ZR30
8​
0.27586​
ZR30
8​
0.27586​
ZR30
7​
0.24138​
ZR30
15​
0.51724​
ZR30
7​
0.24138​
ZR30
7​
0.24138​
ZR30
8​
0.27586​
ZI45
7​
0.24138​
ZI45
7​
0.24138​
ZI45
8​
0.27586​
ZI45
7​
0.24138​
ZI45
8​
0.27586​
ZI45
7​
0.24138​
ZI45
6​
0.20690​
ZI45
8​
0.27586​
ZI45
3​
0.10345​
ZI45
7​
0.24138​
ZI45
8​
0.27586​
ZI45
7​
0.24138​
ZI45
8​
0.27586​
ZI45
37​
1.27586​
ZI30
49​
1.68966​
Total
289​
9.97​
Average9.97
 

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arunsjain

Board Regular
Joined
Apr 29, 2016
Messages
102
Hi,

3rd Code Line (#"Added Custom") will add a column for calculation for each row as you need for each row. Refer to Screenshot as outcome.

Power Query:
let
    Source = Excel.CurrentWorkbook(){[Name="Data"]}[Content],
    #"Changed Type" = Table.TransformColumnTypes(Source,{{"Terms", type text}, {"Days", Int64.Type}}),
    #"Added Custom" = Table.AddColumn(#"Changed Type", "Contribution", each [Days]/List.Sum(#"Changed Type"[Days]) * List.Average(#"Changed Type"[Days])),
    #"Changed Type1" = Table.TransformColumnTypes(#"Added Custom",{{"Contribution", type number}})
in
    #"Changed Type1"

I hope it will help
 

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Solution

lbanham

New Member
Joined
Feb 17, 2011
Messages
48
Thank you that works well, I think it was the formatting issues that I hadn't recognised.
 

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