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A power divergence test in the problem of sample homogeneity for large numbers of outcomes and trials

  • A. P. Baranov and Yu. A. Baranov
Published/Copyright: May 1, 2005
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Discrete Mathematics and Applications
From the journal Volume 15 Issue 3

In order to test homogeneity of r independent polynomial schemes with the same number of outcomes N under non-classical conditions where the numbers of trials nd, d = 1, . . . , r, in each of the schemes and the number of outcomes N tend to infinity, we suggest a statistic I(λ, r) which is a multidimensional analogue of the statistic I(λ) introduced by T. Read and N. Cressie. We obtain conditions of asymptotic normality of the distributions of the statistics I(λ) and I(λ, r) for an arbitrary fixed integer λ, λ ≠ 0, −1, as N → ∞, ndN−1 → ∞, d = 1, . . . , r. The expressions for the centring and normalising parameters are given in the explicit form for the hypothesis H0 under which the distributions in these r schemes coincide, and for some class of alternatives close to H0.

Published Online: 2005-05-01
Published in Print: 2005-05-01

Copyright 2005, Walter de Gruyter

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