UDF max deviation from mean

MrPez

Board Regular
Joined
Jan 28, 2010
Messages
128
I'm new to user defined functions and want to create on that will calculate the maximum deviation from the average of a set of numbers.
The Excel formula would be ={MAX(ABS(H4:H8-AVERAGE(H4:H8))/AVERAGE(H4:H8))}
I'm sure its easy but I'm stuck!
 

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MrPez

Board Regular
Joined
Jan 28, 2010
Messages
128
Nevermind, got it!
In case it is of interest to anyone:
Code:
Function MaxDev(Rng As Range)

Dim i As Double


For Each cell In Rng
    If i < WorksheetFunction.Max(WorksheetFunction.Max((cell.Value - WorksheetFunction.Average(Rng)) / WorksheetFunction.Average(Rng))) Then
        i = WorksheetFunction.Max(WorksheetFunction.Max((cell.Value - WorksheetFunction.Average(Rng)) / WorksheetFunction.Average(Rng)))
    End If
Next cell


MaxDev = i


End Function
 

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