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knzconnor/assign_by_prob.rb

Created April 3, 2009 18:36
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assign_by_prob.rb
def assign_by_weight(weights)
sum = weights.keys.inject(0) { |s,v| s += v }
#normalize random over sum
#parse weights into some form of mutually exclusive set
return result
end
foo = assign_by_weight(0.5 => :foo, 0.6 => :bar)
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