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# How correlated list of stats

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Chris on 29 Aug 2011
I have the stats for about 100 players. Each stat sheet is for a given player for games played. I am trying to find a function that will compare the stats for the 100 players and find out which ones are the closest in terms of correlation. Preferably percentage correlated. What function would be best for this.

#### 1 Comment

the cyclist on 29 Aug 2011
There is not really enough detail here to do anything but guess at what stats you have, or what you mean by "closest in terms of correlation". I suggest you do two things to help us answer your question. First, post a sample of the data. Second, spend a little more time thinking, conceptually, about what you really mean by "closest".

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### Accepted Answer

pangyuteng on 29 Aug 2011
Cyclist is right, but I'd still like to give it a shot base on your question. Assuming all parameters are numbers, say you have 5 parameters for each player, with a total of 10 players.
statsheet = [magic(5),magic(5)];
You can simply obtian the correlation coefficient between each player with the following.
[r,p]=corrcoef(statsheet);
preferablyPercentageCorrelated = r.^2;
'preferablyPercentageCorrelated' will be the "preferably percentage correlated" values between each player.

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