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Vol. 35 (2008) No. 1 P 15-33




The generalized partial correlation is defined as a correlation between two variables, where the linear effects of common and unique third variables are partialed out from the two variables. The generalized partial correlation includes simple, partial, part/semipartial and bipartial correlations as special cases. The Edgeworth expansion of the distribution of the standardized sample coefficient for the generalized partial correlation is obtained up to order O(1/n) under nonnormality. Also asymptotic expansions of the distribution of the Studentized estimator are obtained using the Edgeworth expansion, Cornish-Fisher expansion and Hall's method with variable transformation. As extensions, the results of multivariate cases or generalized partial set-correlations are given.

Copyright © 2007 by The Behaviormetric Society of Japan

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