
1. Re: How to calculate an area of a polygon
Jim Dehner Jun 16, 2018 6:22 AM (in response to Jose Gila)Good morning Jose
I think this might work  each of the individual areas is a triangle  the area of the triangle is 1/2 x base x height
for any the triangle that starts at 12:00 and goes to 1:00 the 2 sides are defined as a value that represents like Goals (say A in the formula below) or % conversion (B in the formula)
don't know how you did that but you have those values 
the base will me max(A,B) and teh height will be abs((AB))/2
you would find A and B values by using lookup(dimension,0) and Lookup(dimension,1)
then you would sum each of the triangles  think like doing a window sum of the calculated field
Let me know if that helped
Jim
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2. Re: How to calculate an area of a polygon
Jim Dehner Jun 16, 2018 7:14 AM (in response to Jim Dehner)Thinking about it a little more it would make sense for A to be the max() of the 2 sides and B to be the Mni()
Jim

3. Re: How to calculate an area of a polygon
Jose Gila Jun 16, 2018 2:22 PM (in response to Jim Dehner)Hi Jim,
Thank you very much for your answer. I've been trying it for some hours, but unfortunately I couldn't get it...
Send you the file here clean in case you could have a look and try with your method creating a calculated field. My aim would be to get a value between 0100 for each player.
I'm gonna continue trying... thank you so much again!
Jose

4. Re: How to calculate an area of a polygon
Jose Gila Jun 16, 2018 2:22 PM (in response to Jose Gila)(I added the file at the first comment, sorry).
Thank you again.

5. Re: How to calculate an area of a polygon
Jim Dehner Jun 16, 2018 3:06 PM (in response to Jose Gila)see the attached
I am not a statistician so I don't know the process you are using and with the 3 data sources and some of the formating it gets a little confusing
I think your "Stat Values" are actually percentages of the and there are 12 of them
I converted the formulas I game you before into this
and
The area is divided by 100 to correct for the percentage format (or lack thereof in the vis )
now for the total I think it is a weighted average based on the percent percentages  there are 12 segments each with equal weight
I think this is correct  you can check it against something you know
in text table form it returns this
for your radar chart like this
Jim
If this posts assists in resolving the question, please mark it helpful or as the 'correct answer' if it resolves the question. This will help other users find the same answer/resolution. Thank you.

TESTRADARES_v2 copia jd.twbx 10.5 MB


6. Re: How to calculate an area of a polygon
Jose Gila Jun 17, 2018 12:27 AM (in response to Jim Dehner)Thank you so much! You are really kind. I'm gonna trying this now, even though I can't open your attached file
I'll let you know. Thank you again.

7. Re: How to calculate an area of a polygon
Jim Dehner Jun 18, 2018 4:22 AM (in response to Jose Gila)Good morning
Gave this some more thought over the weekend
I think the Height value was incorrect  it should be this
Making the outcome this
the file is attached again as a 10.2 twbx workbook
Jim

8. Re: How to calculate an area of a polygon
Jose Gila Jun 18, 2018 8:02 AM (in response to Jim Dehner)That's awesome, Jim! Thank you very much.
It makes now sense and it's great. I would like to use this value as a filter too, but when I create a new sheet and add it, this happen:
It changes to a superior value of 100. It's ok, because it keeps the scale and the best ones (Reyes  Guardiola) have a higher value, but would be so good between 0100.
My final aim would be to use this "total area" as a "Total Index" in order to "rate" the players. Imagine this with a database of 10,000 players and use the filter to get who are "the best". That'd be amazing.
Thank you very much!

9. Re: How to calculate an area of a polygon
Jim Dehner Jun 18, 2018 7:49 AM (in response to Jose Gila)Glad to help
your question was how to determine the area of the polygon 
further questions about the meaning of the data are a different issue
If the post helped you or gave you the path on how to determine the area please mark my initial response correct to close the thread
Thanks
Jim