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Replicative Use of an External Model in Simulation Variance Reduction

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Replicative Use of an External Model in Simulation Variance Reduction

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    Available in PDF Format | Replicative Use of an External Model in Simulation Variance Reduction.pdf | Unknown
    Thomas H. Irish
This is a AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH report procured by the Pentagon and made available for public release. It has been reproduced in the best form available to the Pentagon. It is not spiral-bound, but rather assembled with Velobinding in a soft, white linen cover. The Storming Media report number is A361423. The abstract provided by the Pentagon follows: The use of control variates is a well-known variance reduction technique for discrete event simulation experiments. Currently, internal control variates are used almost exclusively by practitioners and researchers when using control variates. The primary objective of this study is to explore the variance reduction achieved by the replicative use of an external, analytical model to generate control variates. Performance for the analytical control variates is compared to the performance of typical internal and external control variates for both an open and a closed queueing network. Performance measures used are confidence interval width reduction, realized coverage, and estimated Mean Square Error. Results of this study indicate analytical control variates achieve comparable confidence interval width reduction with internal and external control variates. However, the analytical control variates exhibit greater levels of estimated bias. Possible causes and remedies for the observed bias are discussed and areas for future research and use of analytical control variates conclude the study.  
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  • PDF | 130 pages
  • Thomas H. Irish
  • Storming Media
  • Unknown
  • 6
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