probability theory and statistics, the beta distribution is a family of continuous probability distributions defined on the interval [0, 1] or (0, 1)...
243 KB (40,380 words) - 08:10, 19 June 2024
probability theory and statistics, the beta-binomial distribution is a family of discrete probability distributions on a finite support of non-negative integers...
14 KB (2,206 words) - 22:47, 29 July 2024
probability theory and statistics, the beta prime distribution (also known as inverted beta distribution or beta distribution of the second kind) is an absolutely...
12 KB (2,160 words) - 21:08, 27 April 2024
{\displaystyle \beta =1/\theta } , called a rate parameter. In each of these forms, both parameters are positive real numbers. The distribution has important...
60 KB (8,717 words) - 19:52, 20 August 2024
In probability and statistics, the generalized beta distribution is a continuous probability distribution with four shape parameters (however it's customary...
20 KB (4,406 words) - 17:45, 4 June 2024
the Beta distribution as a conjugate prior distribution. When using a general Beta ( α , β ) {\displaystyle \operatorname {Beta} (\alpha ,\beta )} as...
51 KB (7,515 words) - 06:45, 27 September 2024
distributions parameterized by a vector α {\displaystyle {\boldsymbol {\alpha }}} of positive reals. It is a multivariate generalization of the beta distribution...
41 KB (6,539 words) - 11:38, 8 August 2024
(\lambda ;\alpha ,\beta )={\frac {\beta ^{\alpha }}{\Gamma (\alpha )}}\lambda ^{\alpha -1}\exp(-\lambda \beta ).} The posterior distribution p can then be...
42 KB (6,567 words) - 10:39, 19 June 2024
respectively. Beta distribution and Beta prime distribution, two probability distributions related to the beta function Jacobi sum, the analogue of the beta function...
19 KB (4,002 words) - 13:20, 19 September 2024
Yes/No experiments all with the same probability of success. The beta-binomial distribution, which describes the number of successes in a series of independent...
22 KB (2,609 words) - 12:49, 10 February 2024
In probability theory, a beta negative binomial distribution is the probability distribution of a discrete random variable X {\displaystyle X} equal...
10 KB (1,537 words) - 09:13, 15 April 2024
{d_{2}}{2}}\right)}}.} The F-distribution is a particular parametrization of the beta prime distribution, which is also called the beta distribution of the second kind...
14 KB (2,382 words) - 17:22, 26 September 2024
statistics, the beta rectangular distribution is a probability distribution that is a finite mixture distribution of the beta distribution and the continuous...
7 KB (856 words) - 02:57, 27 November 2022
called the skew-logistic distribution. Type IV subsumes the other types and is obtained when applying the logit transform to beta random variates. Following...
19 KB (3,526 words) - 20:40, 10 March 2024
noncentral beta distribution is a continuous probability distribution that is a noncentral generalization of the (central) beta distribution. The noncentral...
6 KB (812 words) - 12:20, 6 November 2022
product distribution is a probability distribution constructed as the distribution of the product of random variables having two other known distributions. Given...
36 KB (7,762 words) - 08:27, 20 June 2024
Conjugate prior (redirect from Conjugate prior distribution)
{\displaystyle \beta =1} would give a uniform distribution) and B ( α , β ) {\displaystyle \mathrm {B} (\alpha ,\beta )} is the Beta function acting as...
33 KB (2,251 words) - 16:48, 16 May 2024
β ) {\displaystyle \mathrm {Beta} (\alpha ,\beta )} distribution is α α + β {\displaystyle {\frac {\alpha }{\alpha +\beta }}} ,: 145 as α {\displaystyle...
35 KB (5,151 words) - 15:34, 20 September 2024
\beta )=e^{-e^{-(x-\mu )/\beta }}\,} The standard Gumbel distribution is the case where μ = 0 {\displaystyle \mu =0} and β = 1 {\displaystyle \beta =1}...
16 KB (2,293 words) - 02:51, 23 September 2024
within ( 0 , 1 ) {\displaystyle (0,1)} and can be assumed to follow a beta distribution. It is generalisable to variables which takes values in the arbitrary...
6 KB (876 words) - 18:31, 13 March 2024
continuous uniform distributions or rectangular distributions are a family of symmetric probability distributions. Such a distribution describes an experiment...
27 KB (4,219 words) - 01:36, 20 September 2024
Harmonic mean (section Beta distribution)
exists for this distribution H 1 − X = β − 1 α + β − 1 conditional on β > 1 & α > 0 {\displaystyle H_{1-X}={\frac {\beta -1}{\alpha +\beta -1}}{\text{ conditional...
36 KB (5,790 words) - 14:03, 22 September 2024
chi-squared distribution Student's t-distribution can be obtained from chi-squared distribution and normal distribution Noncentral beta distribution can be...
44 KB (6,541 words) - 02:45, 29 August 2024
{\displaystyle f(x;\alpha ,\beta )={\frac {f(x/\beta ;\alpha ,1)}{\beta }}} The cumulative distribution function is the regularized gamma function F (...
11 KB (1,621 words) - 19:42, 11 September 2024
^{-1}+1}}\sim \beta (\beta ,\alpha )} 1 + Y ∼ { β ( β , α ) } − 1 {\displaystyle 1+\mathbf {Y} \sim \{\;\beta (\beta ,\alpha )\;\}^{-1}} , the distribution of the...
53 KB (10,532 words) - 13:58, 24 September 2024
{\displaystyle \beta =1} , the distribution is supported on [μ, ∞). The parameter c > 0 is a scale factor which is a measure of the width of the distribution while...
46 KB (6,795 words) - 08:00, 29 August 2024
Prior probability (redirect from Prior probability distribution)
probability distributions. For example, if one uses a beta distribution to model the distribution of the parameter p of a Bernoulli distribution, then: p...
43 KB (6,728 words) - 22:35, 13 September 2024
the distribution. The parameter β > 0 {\displaystyle \beta >0} is a shape parameter. The distribution is unimodal when β > 1 {\displaystyle \beta >1}...
19 KB (2,053 words) - 05:49, 14 May 2024
bounded distribution is a family of continuous probability distributions defined on the interval (0,1). It is similar to the beta distribution, but much...
8 KB (1,251 words) - 13:43, 16 September 2024
categorical distribution is the generalization of the Bernoulli distribution for variables with any constant number of discrete values. The Beta distribution is...
13 KB (2,204 words) - 11:16, 16 September 2024