In statistics, the inverse Wishart distribution, also called the inverted Wishart distribution, is a probability distribution defined on real-valued positive-definite...
20 KB (3,484 words) - 03:35, 11 October 2024
probability theory and statistics, the normal-inverse-Wishart distribution (or Gaussian-inverse-Wishart distribution) is a multivariate four-parameter family...
8 KB (1,076 words) - 11:24, 13 November 2023
multivariate statistics. In Bayesian statistics, the Wishart distribution is the conjugate prior of the inverse covariance-matrix of a multivariate-normal random-vector...
27 KB (4,206 words) - 04:50, 21 November 2024
The complex inverse Wishart distribution is a matrix probability distribution defined on complex-valued positive-definite matrices and is the complex...
8 KB (1,085 words) - 03:12, 6 September 2023
the inverse gamma distribution is a two-parameter family of continuous probability distributions on the positive real line, which is the distribution of...
11 KB (1,633 words) - 15:49, 11 October 2024
chi-squared distribution is a special case of type 5 Pearson distribution Scaled-inverse-chi-squared distribution Inverse-Wishart distribution Bernardo,...
5 KB (394 words) - 21:42, 12 October 2024
normal-Wishart distribution (or Gaussian-Wishart distribution) is a multivariate four-parameter family of continuous probability distributions. It is...
5 KB (560 words) - 20:05, 24 April 2023
theory and statistics, an inverse distribution is the distribution of the reciprocal of a random variable. Inverse distributions arise in particular in the...
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{\displaystyle \psi } is the scale parameter, equals the univariate inverse Wishart distribution W − 1 ( ψ , ν ) {\displaystyle {\mathcal {W}}^{-1}(\psi ,\nu...
12 KB (2,162 words) - 22:09, 12 October 2024
{\text{N-}}\Gamma ^{-1}.} ) The normal-inverse-Wishart distribution is a generalization of the normal-inverse-gamma distribution that is defined over multivariate...
12 KB (2,039 words) - 15:49, 7 January 2024
Bernoulli distribution. The Wishart distribution The inverse-Wishart distribution The Lewandowski-Kurowicka-Joe distribution The matrix normal distribution The...
22 KB (2,609 words) - 12:49, 10 February 2024
the inverse Dirichlet distribution is a derivation of the matrix variate Dirichlet distribution. It is related to the inverse Wishart distribution. Suppose...
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the inverse Wishart distribution, and is used similarly, e.g. as the conjugate prior of the covariance matrix of a multivariate normal distribution or...
3 KB (152 words) - 20:36, 15 April 2024
distribution with an inverse Wishart distribution placed over either of its covariance matrices, and the multivariate t-distribution can be generated in...
11 KB (1,309 words) - 14:56, 7 November 2024
a conjugate prior for several inverse scale parameters, facilitating analytical tractability in posterior distribution computations. The probability density...
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Inverse matrix gamma distribution Matrix normal distribution Wishart distribution Inverse Wishart distribution Complex inverse Wishart distribution Olkin...
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another multivariate normal distribution, and the conjugate prior of the covariance matrix is an inverse-Wishart distribution W − 1 {\displaystyle {\mathcal...
65 KB (9,519 words) - 13:46, 4 December 2024
matrix-valued normal distribution to other distributions, including the Wishart distribution, inverse-Wishart distribution and matrix t-distribution, but uses different...
10 KB (1,669 words) - 23:10, 18 December 2024
transform sampling Inverse-variance weighting Inverse-Wishart distribution Iris flower data set Irwin–Hall distribution Isomap Isotonic regression Isserlis' theorem...
87 KB (8,285 words) - 04:29, 7 October 2024
as the inverse-Wishart distribution, LKJ distribution can serve as a prior on the correlation matrix along with some suitable prior distribution on the...
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function. For information on its inverse cumulative distribution function, see quantile function § Student's t-distribution. Certain values of ν {\displaystyle...
55 KB (6,345 words) - 08:03, 10 December 2024
In statistics, the complex Wishart distribution is a complex version of the Wishart distribution. It is the distribution of n {\displaystyle n} times...
11 KB (1,761 words) - 09:25, 25 February 2023
distribution Wishart distribution Multivariate Student-t distribution. The Inverse-Wishart distribution is important in Bayesian inference, for example in Bayesian...
17 KB (1,859 words) - 21:49, 15 December 2024
chi-squared distribution χ k 2 {\displaystyle \chi _{k}^{2}} is a special case of the gamma distribution and the univariate Wishart distribution. Specifically...
44 KB (6,564 words) - 06:02, 26 October 2024
{\boldsymbol {\Sigma }}} . inverse matrix gamma distribution. matrix normal distribution. matrix t-distribution. Wishart distribution. Iranmanesh, Anis, M....
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Exponential family (category Continuous distributions)
beta Dirichlet Bernoulli categorical Poisson Wishart inverse Wishart geometric A number of common distributions are exponential families, but only when certain...
83 KB (11,136 words) - 10:48, 5 October 2024
probability density function of the Wishart and inverse Wishart distributions, and the matrix variate beta distribution. It has two equivalent definitions...
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Conjugate prior (redirect from Conjugate prior distribution)
family, and also consider the Wishart distribution, conjugate prior of the covariance matrix of a multivariate normal distribution, for an example where a large...
33 KB (2,251 words) - 07:57, 3 November 2024
conjugate to the categorical distribution and multinomial distribution; generalization of the beta distribution Wishart distribution, for a symmetric non-negative...
47 KB (6,403 words) - 14:52, 16 August 2024
\end{aligned}}} This takes the form of an inverse-Wishart distribution times a Matrix normal distribution: ρ ( Σ ϵ | Y , X ) ∼ W − 1 ( V n , ν n ) {\displaystyle...
15 KB (2,723 words) - 07:06, 12 February 2023