Calculating the Expected Loss of Diversity of Selection Schemes

  title={Calculating the Expected Loss of Diversity of Selection Schemes},
  author={Tatsuya Motoki},
  journal={Evolutionary Computation},
This paper concerns a measure of selective pressure, called filoss of diversity, fl that denotes the proportion of unselected individuals during the selection phase. We probabilistically calculate the expected value and variance of loss of diversity in tournament selection, truncation selection, linear ranking selection, and exponential ranking selection. From numerical results, we observe that in tournament selection, many more individuals are expected to be lost than with Blickle and Thiele's… CONTINUE READING


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It’s all the same to me: Revisiting rank-based probabilities and tournaments

  • B. A. Julstrom
  • In Proceedings of the Congress on Evolutionary…
  • 1999
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