As per the doc, I could see the Apdex formula as
Say in my case, If I have 12 actions of which 6 were satisfied and 6 were frustrated
Apdex = (6+(0/2))/12 = 0.5 is my Apdex score.. ? There is no input of frustrated actions count in numerator other than in Total actions..
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In the same document you can find the below formula of Apdex.
If there are 10 satisfied actions, five tolerating actions and two frustrated actions, the result is an Apdex of (10+5/2)/17=0.73.
Users have a frustrating experience if:
The example is the one which put me in confusion, I'm not sure the denominator (5/2) of tolerated value 2 is frustrated count or else it's just a number which is part of formula .
Thanks for your response, if you see the snapshot which I have pasted from the doc, it says tolerated actions/2 numeric value provided already. Is it the frustrated value by default..? or else you mean the frustated value in Total actions is 2.
The "2" in the "ToleratedActions / 2" component is just the number "2". It is used to get half of the ToleratedActions. In English, the formula would be said: "Apdex equals (SatisfiedActions plus half of ToleratedActions) all divided by TotalActions." There is no Frustrated component in the formula.
If you think of it like a grade in school...you get 100% (full credit) for satisfied, 50% (half credit)for tolerated, and 0% (no credit) for frustrated. I suppose they could do Apdex=((Satisfied +(tolerated *0.5) + (frustrated*0))/total actions But "frustrated*0" would always be zero so it's just dropped/ not in the numerator.