Estimating the power of the two-sample Wilcoxon test for location shift.

@article{Collings1988EstimatingTP,
  title={Estimating the power of the two-sample Wilcoxon test for location shift.},
  author={Bruce J. Collings and Martin D. A. Hamilton},
  journal={Biometrics},
  year={1988},
  volume={44 3},
  pages={
          847-60
        }
}
Traditional methods for calculating the power of a statistical test for location shift require knowledge of the shape of the underlying probability distribution. The distribution shape, however, may be unknown. This paper describes a bootstrap method for using observed data (or pilot data) to approximate the power. No assumptions need be made about the shape of the underlying continuous probability distribution. Simulation evidence shows that, when applied to the Wilcoxon two-sample test for… CONTINUE READING
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