How to count values that satisfy multiple conditions in two columns

[Anonymous]

I am having trouble coming up with a measure to count the number of students who have attended a set of subjects in the below data table. For example, if I wanted to count the number of students who have attended all four subjects, I would want the measure to output only Charles, as  he is the only student has met this criteria. I came up with the following: 

AllTopics = COUNTROWS(FILTER('Table1',('Table1'[Subject] = "Physics" || 'Table1'[Subject] = "Calculus" || 'Table1'[Subject] = "History" || 'Table1'[Subject] = "Writing") && 'Table1'[Present] = "Yes")). Unfortunately, this instead returns 25, which is the total number of records where Present is yes. I've also tried using the && symbol instead of ||. 

Any thoughts or help would be greatly appreciated! Thank you in advance 🙂

Subject	Present	Student
Physics	Yes	Charles
Physics	Yes	Daryl
Physics	Yes	John
Physics	Yes	Jess
Calculus	Yes	Daryl
Calculus	Yes	Charles
Calculus	Yes	Charles
Calculus	Yes	Charles
Calculus	Yes	Henry
Calculus	Yes	Jess
Calculus	Yes	Charles
Calculus	Yes	Charles
History	Yes	Lucas
History	Yes	Charles
History	Yes	Edgar
History	Yes	Charles
History	Yes	Charles
History	Yes	Edgar
History	Yes	Edgar
History	Yes	Charles
History	Yes	Tess
Calculus	No	Charles
History	No	Lucas
History	No	Charles
History	No	Edgar
History	No	Charles
History	No	Charles
History	No	Edgar
History	No	Edgar
History	No	Charles
History	No	Tess
History	No	Edgar
Writing	No	Daryl
Writing	No	Edgar
Writing	No	Tess
Writing	No	Tess
Writing	No	Edgar
Writing	Yes	Tess
Writing	Yes	Charles
Writing	Yes	Edgar
Writing	Yes	Edgar

[amitchandak · Accepted solution]

First you need group data at student level,

Try like

 Total Student = sumx(filter(summarize(filter(table,present="Yes"), student, "_tSub",distinctcount(subject)),[_tSub]>=4),[_tSub])

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[PoweredbyBI]

@amitchandak Hello! I think I have a very similar problem, but I can't seem to get your solution to work, i must be missing something very obvious. I have basically the same data model

Chain	Establishment	Category	Brand	SKU	Is the SKU present
Chain1	POS1	Category1	Brand1	SKU	Yes
Chain1	POS1	Category1	Brand2	SKU	Yes
Chain1	POS1	Category2	Brand1	SKU	No
Chain1	POS1	Category2	Brand2	SKU	Yes

But I need is the % of POS that have at least one SKU present in each brand. If this was my complete dataset then, I would have 100% in Category 1 and 0% in category2. I tried the recommended way but doesn't show any results:

This is the Measure I'm using:

Portfolio Completion = SUMX(FILTER(SUMMARIZE(FILTER(Data,Is the SKU present="Yes")

,Data[Brand],"_PC",DISTINCTCOUNT(Data[Brand])),[_PC]>3),[_PC])

I choose >3 since I have three brands in this category, maybe that's the issue??

I've been stuck for like a week trying to get this measure, if you can help me I would be so grateful.