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s-mage/probability_distribution.rb

Last active December 19, 2015 19:49
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Simple implementation of probability distribution.
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probability_distribution.rb
weights = Array.new(2288) { |x| 1 / 2288.0 }
t = 0.0
weights.map! { |x| t += x; t }
random_value = Random.new.rand
weights.find_index { |x| random_value - x <= 0 }
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