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I am building a ranking system. To get a rank of an item, I have considered using ratio and method.

Let's say I have an item with 10 wins and 10 losses.

Ratio: 10/20 = 0.5 Point: 10 - 10 = 0

What other options do I have?

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    A related question on MathOverflow: http://mathoverflow.net/questions/6019/calculating-the-most-helpful-review2011-03-29
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    @Jonas Meyer // thank you for the link. I am not looking for an answer. I like to know other methods as well. I already know ratio and point method. I am sure that there are much more ways to decide a rank of something.2011-03-29
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    I don't understand what you mean when you say you are not looking for an answer. I doubt that the MathOverflow question is the same as yours, but you will notice that the ranking methods mentioned there are not only what you call ratio and point methods.2011-03-29
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    @Jonas Meyer // my mistake. I will read the article again!2011-03-29
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    Have you looked at Wikipedia entry on [Ranking](http://en.wikipedia.org/wiki/Ranking#Strategies_for_assigning_rankings)?2012-01-21

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