Correlation induction without the inverse transformation

  • Authors:
  • Bruce Schmeiser;Varatas Kachitvichyanukul

  • Affiliations:
  • School of Industrial Engineering, Purdue University, West Lafayette, IN;Deparment of Industrial and Management Engineering, The University of Iowa, Iowa City, IA

  • Venue:
  • WSC '86 Proceedings of the 18th conference on Winter simulation
  • Year:
  • 1986

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Abstract

Inducing correlation between estimators is a common way to try to reduce variance in simulation experiments. To induce the correlation between estimators, random variates are generated as functions of the same random-number streams. Although the optimal correlation induction occurs with the inverse transformation. The inverse can be quite slow compared to other methods for generating random variates. We discuss an approach for generating random variates quickly while still obtaining substantial correlation induction.