A comparison of size and power calculations for the wilcoxon statistic for ordered categorical data

作者：John E. Kolassa · 发表于：Statistics in Medicine · 年份：1995 · DOI：10.1002/sim.4780141408 · 被引用次数：46 · 研究领域：Advanced Statistical Methods and Models、Advanced Statistical Process Monitoring、Statistical Methods and Bayesian Inference

Abstract This paper compares the accuracy of approximations to test size and power based on the score and the Fisher information, with calculations using Edgeworth and Cornish—Fisher approximations, and demonstrates that in some cases one must exercise much care in using the simpler approximations.