Wilcoxon test for comparing arbitrarily singly - censored samples

نویسنده

  • EDMUND A. GEHAN
چکیده

rH..il:ribllltlton.-tr'ee two-sample test is proposed tha t is an extension of the Wilcoxon test with arbitrary censoring on the right. The test is conditional on the pattern ~ha.t~TV:&l>ll~l..lll. The null hypothesis is H0 : F1(t) = F2(t) (t ~ T) agai nst either H1 : F1(t) < F 2(t) (t ~ T) or H2 : F1(t) < F2(t) or F1(t) > F2 (t) (t ~ T), '~here .l\,F2 are cumulative distributions (discrete or continuous) of the observations an d 'f is their upper limit. The test is shown to be asym ptotically normal and consistent against one-sided alternatives F1(t) < F2(t) (t ::::; T) and aga inst two-sided alternatives where either

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تاریخ انتشار 2013