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Power study for 4 × 4 graeco-latin square design

4 × 4 그레코라틴방격모형의 검정력 연구

  • 최영훈 (한신대학교 응용통계학과)
  • Received : 2012.05.29
  • Accepted : 2012.06.22
  • Published : 2012.07.31

Abstract

In $4{\times}4$ graeco-latin square design, powers of rank transformed statistic for testing the main effect are superior to powers of parametric statistic without regard to the effect structure with equally or unequally spaced effect levels as well as the type of population distributions such as exponential, double exponential, normal and uniform distribution. As numbers of block effect or effect sizes are decreased, powers of rank transformed statistic are much higher than powers of parametric statistic. In case that block effects are smaller than a main effect or one block effect is higher than other block effects, powers of rank transformed statistic are much higher than powers of parametric statistic in $4{\times}4$ graeco-latin square design with three block effects and one main effect.

Acknowledgement

Supported by : 한신대학교

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