Robust tests in group sequential analysis: One- and two-sided hypotheses in the linear model

Mervyn Silvapulle and Pranab Sen

Annals of the Institute of Statistical Mathematics, 1993, vol. 45, issue 1, 159-171

Keywords: Clinical trial; comparison of two treatments; composite hypothesis; inequality tests; interim analysis; long tailed distribution; M-estimator; Pitman efficiency; power-robustness; repeated tests; Wald-type statistics (search for similar items in EconPapers)
Date: 1993
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DOI: 10.1007/BF00773676

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