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In this paper we describe 10 expressions of score and weighted tests, in such a way that the numerators and the denominators are completely specified, including always the possibility of tied observations. We establish the equivalence between sc[...]texto impreso
Recently, some papers have been appearing that have noticed some mistakes in the calculations in the statistical software in simple and classical tests (Wilcoxon-Mann-Whitney and Log-Rank). This article examines the variance formulas for the Ken[...]texto impreso
In this paper we will give the relationships of several Score tests and Weighted tests for right censoring data with other classical tests. Special care will be taken with the case of ties and with the kind of estimation of the variance used. Af[...]texto impreso
In this paper we give the generalization of the score tests covering the case of ties and we give examples where the expressions in matrix form are completely specified for the weighted tests and the score tests for the case of r groups. It is w[...]
