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抽样分布的奇异性：尤其是二次型之比AI 解读

A general theory of singularities in sampling distributions, given previously for statistical functions on a Euclidean space, is here extended to functions on a hypersphere; in particular, to distributions of ratios of quadratic forms. The parent distributions chiefly considered are normal and nonsingular. The theory expresses the density of a sampling distribution as the sum of a singular function and a smoother remainder. Cases are adduced in which the remainder vanishes:…

抽样分布的奇异性：特别是二次型比值的分布AI 解读

A general theory of singularities in sampling distributions, given previously for statistical functions on a Euclidean space, is here extended to functions on a hypersphere; in particular, to distributions of ratios of quadratic forms. The parent distributions chiefly considered are normal and nonsingular. The theory expresses the density of a sampling distribution as the sum of a singular function and a smoother remainder. Cases are adduced in which the remainder vanishes:…