Rank tests of maximal power against Lehmann-type alternatives
针对 Lehmann 型备择的最大功效秩检验
The comparison, is considered of two groups of independent observations on the times of death of experimental subjects; some of the observations may be right-censored. It is assumed that censoring is applied randomly in a similar manner to all subjects. The null hypothesis is that the ratio of the death rates in the two groups is unity at all times; the Lehmann-type alternative hypothesis is that this ratio is constant but has some particular value other than unity. The rank…