“non-central F-distribution”的概念、定义、翻译、参考文献-科学参考

non-central F-distribution

Statistics

If Y₁ has a non-central chi-squared distribution with ν₁ degrees of freedom and non-centrality parameter λ, and if Y₂ is independent of Y₁ and has a chi-squared distribution with ν₂ degrees of freedom, then the ratio X, where $non-central F-distribution$ is said to have a non-central F-distribution with non-centrality parameter λ and with ν₁ and ν₂ degrees of freedom. The probability density function f of X is given by $non-central F-distribution$ where B is the beta function. The distribution has mean and variance given by $non-central F-distribution$ respectively (with ν₂>4). The distribution is unimodal.

单词	non-central F-distribution
释义	non-central F-distribution Statistics If Y₁ has a non-central chi-squared distribution with ν₁ degrees of freedom and non-centrality parameter λ, and if Y₂ is independent of Y₁ and has a chi-squared distribution with ν₂ degrees of freedom, then the ratio X, where $non-central F-distribution$ is said to have a non-central F-distribution with non-centrality parameter λ and with ν₁ and ν₂ degrees of freedom. The probability density function f of X is given by $non-central F-distribution$ where B is the beta function. The distribution has mean and variance given by $non-central F-distribution$ respectively (with ν₂>4). The distribution is unimodal.
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