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fix evolopy's GA

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This commit is contained in:
Connor Olding 2023-05-06 20:41:47 -07:00
parent 6e4b6f1dc9
commit bb755f67b9
1 changed files with 2 additions and 2 deletions
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4
evolopy/GA.py
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@ -181,14 +181,14 @@ def rouletteWheelSelectionId(scores, popSize):
""" """
##reverse score because minimum value should have more chance of selection ##reverse score because minimum value should have more chance of selection
reverse = max(scores) + min(scores) reverse = max(scores)
reverseScores = reverse - scores.copy() reverseScores = reverse - scores.copy()
sumScores = sum(reverseScores) sumScores = sum(reverseScores)
pick = random.uniform(0, sumScores) pick = random.uniform(0, sumScores)
current = 0 current = 0
for individualId in range(popSize): for individualId in range(popSize):
current += reverseScores[individualId] current += reverseScores[individualId]
if current > pick: if current >= pick:
return individualId return individualId