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Oleksii Kulish
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Optimization algo

Started this discussion. Last reply by Sierra Oscar Nov 1. 1 Reply

Hi all. Reading an article about ELO rank I have a question. The probability of the "A" team win is a sigmoid function like 1 / (1 + exp( RankB -RankA))and after the game we need to update these…Continue

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Sierra Oscar replied to Oleksii Kulish's discussion Optimization algo
"Hi https://lethain.com/genetic-programming-a-novel-failure/ I think your best bet is to use Genetic Algorithms (GA) if you are trying to find the optimum value of K;the link above should take you to a sample GA code provided by Will Larson. Good luck"
Nov 1
Oleksii Kulish posted a discussion

Optimization algo

Hi all. Reading an article about ELO rank I have a question. The probability of the "A" team win is a sigmoid function like 1 / (1 + exp( RankB -RankA))and after the game we need to update these ranks like Rank_new = Rank_old +- K*(1(0) - probability)  So the main question is how I can use for example NN( or other algo) for finding "K" parameter to make binary crossentropy minimum. And I hope it musn't be constant (I want to  find dependent from the initial player rating) The main my problem…See More
Sep 26

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