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I need to display the average growth for students from one test to the next where each test has scores for a number of areas. I can't use dates as I'm after growth between from test 1 to up to to 6 other tests.
I'm using; Growth1 = AVERAGEX(Sheet1, ([Ass2] - [Ass1]) / [Ass1]) as measures and
Ass1 = AVERAGEX(FILTER(Sheet1, Sheet1[TestOrder] = 1), [Score]) as measures. The data is like this:
Student Subject Area Score TestOrder A Math Count 50 1 A Math Count 60 2 A Math Count 70 3 A Math Magnitude 55 1 A Math Magnitude 65 2 A Math Magnitude 75 3 A Math Patterns 45 1 A Math Patterns 55 2 A Math Patterns 65 3 B Math Count 60 1 B Math Count 70 2 B Math Count 80 3 B Math Magnitude 65 1 B Math Magnitude 75 2 B Math Magnitude 85 3 B Math Patterns 90 1 B Math Patterns 85 2 B Math Patterns 90 3 C Math Count 30 1 C Math Count 50 2 C Math Count 60 3 C Math Magnitude 45 1 C Math Magnitude 45 2 C Math Magnitude 55 3 C Math Patterns 65 1 C Math Patterns 70 2 C Math Patterns 65 3
Solved! Go to Solution.
Solved it.
Should have used:
Growth1 = (AVERAGEX(Sheet1, [Ass2]) - AVERAGEX(Sheet1,[Ass1])) / AVERAGEX(Sheet1, [Ass1])
although I don't really understand why.
Sorry, left out the screen shot of the issue. I'm getting infinity or -1.
Solved it.
Should have used:
Growth1 = (AVERAGEX(Sheet1, [Ass2]) - AVERAGEX(Sheet1,[Ass1])) / AVERAGEX(Sheet1, [Ass1])
although I don't really understand why.
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