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A note on local identifiability and degrees of freedom in the asymptotic likelihood ratio test
Author(s) -
McDonald Roderick P.,
Krane William R.
Publication year - 1977
Publication title -
british journal of mathematical and statistical psychology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.157
H-Index - 51
eISSN - 2044-8317
pISSN - 0007-1102
DOI - 10.1111/j.2044-8317.1977.tb00739.x
Subject(s) - identifiability , mathematics , likelihood ratio test , degrees of freedom (physics and chemistry) , score test , statistics , test (biology) , square (algebra) , paleontology , physics , geometry , quantum mechanics , biology
It is pointed out that both the degrees of freedom in the chi‐square asymptotic likelihood ratio test and the local identifiability of the parameters in the model can be determined unambiguously from the ranks of certain matrices.