Best-subset selection procedure

  • Authors:
  • Yu Wang;Louis Luangkesorn;Larry J. Shuman

  • Affiliations:
  • University of Pittsburgh, Pittsburgh, PA;University of Pittsburgh, Pittsburgh, PA;University of Pittsburgh, Pittsburgh, PA

  • Venue:
  • Proceedings of the Winter Simulation Conference
  • Year:
  • 2011

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Abstract

We propose an indifference-zone approach for a ranking and selection (R&S) problem with the goal of finding the best-subset from a finite number of competing simulated systems given a level of correct-selection probability. Here the "best" system refers to the system with the largest or smallest performance measures. We present a best-subset selection procedure that can effectively eliminate the non-competitive systems and return only those alternatives as the selection result where statistically confident conclusions hold. Numerical experiments document that our procedure works well by selecting the correct best-subset with very high probability.