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I need to plot monthly average trend. Each month behaves differently hence the need to exclude outliers at the month level. This calculation needs to be dynamic if I need to look at the trend by a certain category (the outliers need to be recalculated at the category level by each month)
I have attached a sample QVF.
Is the outliers in one direction only or do we have outliers in both directions?
yes. I just want to exclude the upper outliers.
May be this
Avg(Aggr(If(Values <= Fractile(TOTAL <Cat, Dates> Values , 0.75) + 1.5 *(Fractile(TOTAL <Cat, Dates> Values , 0.75) - Fractile(TOTAL <Cat, Dates> Values , 0.25)), Values), Cat, Values, Dates))
When I tested your solution, the average is higher than the normal average calculation. That shouldn't be the case if we're excluding the upper outliers, Otherwise it works, just not with the numbers I expect
I saw similar problem, but I am not sure what might be issue... Would you be able to share the raw data behind this app in an Excel file?
Please find the raw data attached! I also noticed you're using Total in your outlier calculation and that will have a uniform outlier for all the dimension values. I want each dimension to have its own outlier
I am heading out for the day today, but will try to take a look today in the evening or tomorrow morning.