• Thumbnail for Noncentral t-distribution
    The noncentral t-distribution generalizes Student's t-distribution using a noncentrality parameter. Whereas the central probability distribution describes...
    15 KB (2,513 words) - 14:57, 15 October 2024
  • following distributions: Noncentral t-distribution Noncentral chi-squared distribution Noncentral chi-distribution Noncentral F-distribution Noncentral beta...
    4 KB (482 words) - 09:01, 22 November 2022
  • statistics, the noncentral F-distribution is a continuous probability distribution that is a noncentral generalization of the (ordinary) F-distribution. It describes...
    5 KB (837 words) - 22:07, 21 May 2025
  • Thumbnail for Student's t-distribution
    The noncentral t distribution generalizes the t distribution to include a noncentrality parameter. Unlike the nonstandardized t distributions, the noncentral...
    55 KB (6,423 words) - 06:46, 1 June 2025
  • Thumbnail for Wallenius' noncentral hypergeometric distribution
    Wallenius' noncentral hypergeometric distribution (named after Kenneth Ted Wallenius) is a generalization of the hypergeometric distribution where items...
    15 KB (1,873 words) - 20:35, 26 April 2025
  • the noncentral chi distribution is a noncentral generalization of the chi distribution. It is also known as the generalized Rayleigh distribution. If...
    6 KB (896 words) - 22:16, 1 March 2023
  • Thumbnail for Noncentral chi-squared distribution
    the noncentral chi-squared distribution (or noncentral chi-square distribution, noncentral χ 2 {\displaystyle \chi ^{2}} distribution) is a noncentral generalization...
    21 KB (3,719 words) - 14:30, 25 May 2025
  • Thumbnail for Chi-squared distribution
    chi-squared distribution and noncentral chi-squared distribution The noncentral t-distribution can be obtained from normal distribution and chi-squared...
    45 KB (6,817 words) - 10:25, 19 March 2025
  • mostly using multiple restrictions Noncentral t-distribution in power analysis – Probability distribution Student's t-statistic – Ratio in statisticsPages...
    52 KB (7,010 words) - 15:29, 21 May 2025
  • success probabilities. Fisher's noncentral hypergeometric distribution Wallenius' noncentral hypergeometric distribution Benford's law, which describes...
    22 KB (2,620 words) - 07:59, 2 May 2025
  • {\sqrt {n_{1}n_{2}/(n_{1}+n_{2})}}\,g} , follows a noncentral t-distribution with the noncentrality parameter n 1 n 2 / ( n 1 + n 2 ) θ {\textstyle {\sqrt...
    56 KB (7,836 words) - 19:28, 24 May 2025
  • Thumbnail for F-distribution
    (Fisher's z-distribution) The noncentral F-distribution simplifies to the F-distribution if λ = 0 {\displaystyle \lambda =0} . The doubly noncentral F-distribution...
    14 KB (2,271 words) - 10:42, 23 April 2025
  • beta prime distribution If V 1 ∼ χ ′ k 1 2 ( λ ) {\displaystyle V_{1}\sim {\chi '}_{k_{1}}^{2}(\lambda )} , a noncentral chi-squared distribution, and V 2...
    53 KB (10,468 words) - 23:37, 25 May 2025
  • Thumbnail for Rice distribution
    circularly-symmetric bivariate normal random variable, possibly with non-zero mean (noncentral). It was named after Stephen O. Rice (1907–1986). The probability density...
    20 KB (3,150 words) - 12:42, 7 February 2025
  • Thumbnail for Normal distribution
    _{1}} . The square of X / σ {\textstyle X/\sigma } has the noncentral chi-squared distribution with one degree of freedom: X 2 / σ 2 ∼ χ 1 2 ( μ 2 / σ 2...
    151 KB (22,720 words) - 14:33, 14 June 2025
  • Thumbnail for Multivariate normal distribution
    {\mu }})+k\ln(2\pi )\right]} , The circularly symmetric version of the noncentral complex case, where z {\displaystyle {\boldsymbol {z}}} is a vector of...
    65 KB (9,594 words) - 15:19, 3 May 2025
  • category Noncentral beta distribution Noncentral chi distribution Noncentral chi-squared distribution Noncentral F-distribution Noncentral hypergeometric...
    87 KB (8,280 words) - 23:04, 12 March 2025
  • Thumbnail for Hypergeometric distribution
    {\displaystyle X} has a noncentral hypergeometric distribution The beta-binomial distribution is a conjugate prior for the hypergeometric distribution. The following...
    29 KB (4,095 words) - 17:58, 13 May 2025
  • Thumbnail for Generalized chi-squared distribution
    distribution. The generalized chi-squared variable may be described in multiple ways. One is to write it as a weighted sum of independent noncentral chi-square...
    16 KB (2,076 words) - 16:17, 10 June 2025
  • variance based on the noncentral t-distribution. Two-sided normal tolerance intervals can be estimated using the chi-squared distribution. "In the parameters-known...
    14 KB (2,084 words) - 23:30, 12 November 2024
  • Thumbnail for Rayleigh distribution
    {\displaystyle 2\sigma ^{2}.} The Rice distribution is a noncentral generalization of the Rayleigh distribution: R a y l e i g h ( σ ) = R i c e ( 0 ,...
    16 KB (2,251 words) - 04:19, 13 February 2025
  • Thumbnail for Hotelling's T-squared distribution
    {n_{x}+n_{y}-p-1}{(n_{x}+n_{y}-2)p}}t^{2}\sim F(p,n_{x}+n_{y}-1-p).} The non-null distribution of this statistic is the noncentral F-distribution (the ratio of a non-central...
    18 KB (1,980 words) - 21:40, 18 September 2024
  • Thumbnail for Beta distribution
    parametrization of the beta distribution). The beta distribution is the special case of the noncentral beta distribution where λ = 0 {\displaystyle \lambda...
    245 KB (40,562 words) - 12:56, 14 May 2025
  • Laplace distributions are extensions of the Laplace distribution and the asymmetric Laplace distribution to multiple variables. The marginal distributions of...
    9 KB (1,093 words) - 16:24, 10 June 2025
  • product distribution is a probability distribution constructed as the distribution of the product of random variables having two other known distributions. Given...
    41 KB (8,987 words) - 22:06, 16 June 2025
  • Thumbnail for Chi distribution
    a special case of various distributions: generalized gamma, Nakagami, noncentral chi, etc. lim k → ∞ χ k − μ k σ k → d   N ( 0 , 1 ) {\displaystyle \lim...
    10 KB (1,726 words) - 21:53, 23 November 2024
  • Thumbnail for Folded normal distribution
    (Y/σ)2 has a noncentral chi-squared distribution with 1 degree of freedom and noncentrality equal to (μ/σ)2. The folded normal distribution can also be...
    18 KB (3,424 words) - 02:55, 1 August 2024
  • Chi-squared distribution Dirichlet distribution F-distribution Gamma distribution Hotelling's T-squared distribution Student's t-distribution Wishart distribution...
    4 KB (635 words) - 18:11, 30 November 2024
  • elliptical distribution is any member of a broad family of probability distributions that generalize the multivariate normal distribution. In the simplified...
    15 KB (1,750 words) - 02:59, 12 June 2025
  • Thumbnail for Characteristic function (probability theory)
    Characteristic function (probability theory) (category Functions related to probability distributions)
    of any real-valued random variable completely defines its probability distribution. If a random variable admits a probability density function, then the...
    38 KB (5,208 words) - 13:53, 16 April 2025