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Two Simple Approximations to the Distributions of Quadratic Forms

Many test statistics are asymptotically equivalent to quadratic forms of normal variables, which are further equivalent to [Formula: see text] with z(i) being independent and following N(0, 1). Two approximations to the distribution of T have been implemented in popular software and are widely used...

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Detalhes bibliográficos
Main Authors: Yuan, Ke-Hai, Bentler, Peter M.
Formato: Artigo
Idioma:Inglês
Publicado em: 2009
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC2909386/
https://ncbi.nlm.nih.gov/pubmed/19793410
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1348/000711009X449771
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