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Maximum Test versus Adaptive Tests for the Two-Sample Location Problem

Author

Listed:
  • Markus Neuhauser
  • Herbert Buning
  • Ludwig Hothorn

Abstract

For the non-parametric two-sample location problem, adaptive tests based on a selector statistic are compared with a maximum and a sum test, respectively. When the class of all continuous distributions is not restricted, the sum test is not a robust test, i.e. it does not have a relatively high power across the different possible distributions. However, according to our simulation results, the adaptive tests as well as the maximum test are robust. For a small sample size, the maximum test is preferable, whereas for a large sample size the comparison between the adaptive tests and the maximum test does not show a clear winner. Consequently, one may argue in favour of the maximum test since it is a useful test for all sample sizes. Furthermore, it does not need a selector and the specification of which test is to be performed for which values of the selector. When the family of possible distributions is restricted, the maximin efficiency robust test may be a further robust alternative. However, for the family of t distributions this test is not as powerful as the corresponding maximum test.

Suggested Citation

  • Markus Neuhauser & Herbert Buning & Ludwig Hothorn, 2004. "Maximum Test versus Adaptive Tests for the Two-Sample Location Problem," Journal of Applied Statistics, Taylor & Francis Journals, vol. 31(2), pages 215-227.
    • Handle: RePEc:taf:japsta:v:31:y:2004:i:2:p:215-227
    DOI: 10.1080/0266476032000148876
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    Cited by:

    1. Markus Neuhäuser, 2005. "Exact tests based on the Baumgartner-Weiß-Schindler statistic—A survey," Statistical Papers, Springer, vol. 46(1), pages 1-29, January.

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