function and the prior is called a conjugate prior for the likelihood function p ( x ∣ θ ) {\displaystyle p(x\mid \theta )} . A conjugate prior is an algebraic...
33 KB (2,246 words) - 18:05, 28 April 2025
Posterior predictive distribution (redirect from Prior predictive distribution)
these is that all members have conjugate prior distributions — whereas very few other distributions have conjugate priors. Another useful property is that...
16 KB (2,510 words) - 17:47, 24 February 2024
Beta distribution (redirect from Beta prior)
and proportions. In Bayesian inference, the beta distribution is the conjugate prior probability distribution for the Bernoulli, binomial, negative binomial...
245 KB (40,559 words) - 20:35, 30 June 2025
of prior probabilities for the parameters—so-called conjugate priors—the posterior can be found analytically. With more arbitrarily chosen priors, the...
18 KB (3,233 words) - 10:15, 10 April 2025
Conjugation (redirect from Conjugate)
Look up conjugation in Wiktionary, the free dictionary. Conjugation or conjugate may refer to: Grammatical conjugation, the modification of a verb from...
3 KB (407 words) - 14:29, 14 December 2024
multinomial distribution. It shows why the Dirichlet distribution is the conjugate prior of the categorical distribution, and allows the posterior distribution...
25 KB (4,008 words) - 04:13, 25 June 2024
a topic model. In general, any conjugate prior can be collapsed out, if its only children have distributions conjugate to it. The relevant math is discussed...
37 KB (6,064 words) - 22:35, 19 June 2025
Bayesian inference (section Conjugate priors)
form, the prior distribution is often assumed to come from a family of distributions called conjugate priors. The usefulness of a conjugate prior is that...
73 KB (9,533 words) - 20:30, 23 July 2025
quantity given new data. Historically, the choice of priors was often constrained to a conjugate family of a given likelihood function, so that it would...
43 KB (6,753 words) - 20:06, 15 April 2025
the likelihood be a Poisson distribution, and let the prior now be specified by the conjugate prior, which is a gamma distribution ( G ( α , β ) {\displaystyle...
17 KB (2,643 words) - 23:42, 27 June 2025
appropriate conjugate prior. As with the univariate case of linear Bayesian regression, we will find that we can specify a natural conditional conjugate prior (which...
15 KB (2,737 words) - 18:42, 29 January 2025
hyperparameter, particularly in the method of conjugate priors, or for sensitivity analysis. When using a conjugate prior, the posterior distribution will be from...
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exponential family there exists a conjugate prior, which is often also in an exponential family. A conjugate prior π for the parameter η {\displaystyle...
86 KB (11,203 words) - 22:38, 1 August 2025
Dirichlet distribution (category Conjugate prior distributions)
are commonly used as prior distributions in Bayesian statistics, and in fact, the Dirichlet distribution is the conjugate prior of the categorical distribution...
49 KB (7,773 words) - 16:43, 26 July 2025
know how each conjugate prior changes. Using a single conjugate prior may be too restrictive, but using a mixture of conjugate priors may give one the...
5 KB (678 words) - 10:49, 5 October 2024
prefer one prior probability distribution over another, a conjugate prior is sometimes chosen for simplicity. A conjugate prior is defined as a prior distribution...
23 KB (3,956 words) - 02:09, 24 July 2025
and 1); conjugate to the Bernoulli distribution and binomial distribution Gamma distribution, for a non-negative scaling parameter; conjugate to the rate...
48 KB (6,688 words) - 17:43, 6 May 2025
Bayesian statistics, the conjugate prior of the mean vector is another multivariate normal distribution, and the conjugate prior of the covariance matrix...
65 KB (9,598 words) - 21:52, 1 August 2025
Gamma distribution (category Conjugate prior distributions)
the (α,λ) parameterization, utilizing the gamma distribution as a conjugate prior for several inverse scale parameters, facilitating analytical tractability...
66 KB (9,095 words) - 06:11, 7 July 2025
Exponential distribution (category Conjugate prior distributions)
acceptable for samples containing at least 15 to 20 elements. The conjugate prior for the exponential distribution is the gamma distribution (of which...
47 KB (7,092 words) - 03:21, 28 July 2025
distributions, particularly when the marginalized-out parameter is the conjugate prior of the distribution of the data. In other cases, some kind of numerical...
7 KB (992 words) - 00:14, 21 February 2025
Dirichlet process (section Use as a prior distribution)
Dirichlet distribution is the conjugate prior for the categorical distribution, the Dirichlet process is the conjugate prior for infinite, nonparametric...
32 KB (4,861 words) - 22:31, 25 January 2024
distribution is conjugate to the normal distribution when serving as the mixing distribution in a normal variance-mean mixture. Let the prior distribution...
10 KB (1,357 words) - 16:33, 24 April 2025
since there is a one-to-one correspondence between the two.) We place conjugate prior distributions on the unknown mean μ {\displaystyle \mu } and precision...
56 KB (11,243 words) - 14:03, 25 July 2025
Inverse-gamma distribution (category Conjugate prior distributions)
distribution, if an uninformative prior is used, and as an analytically tractable conjugate prior, if an informative prior is required. It is common among...
11 KB (1,632 words) - 09:32, 12 June 2025
Additive smoothing (section Weakly-informative prior)
prior distribution. In the special case where the number of categories is 2, this is equivalent to using a beta distribution as the conjugate prior for...
12 KB (1,560 words) - 13:29, 16 April 2025
Bernoulli distribution (category Conjugate prior distributions)
any constant number of discrete values. The Beta distribution is the conjugate prior of the Bernoulli distribution. The geometric distribution models the...
13 KB (2,196 words) - 21:53, 27 April 2025
probability to formulate the relation of an updated posterior probability from a prior probability, given evidence. He reproduced and extended Bayes's results...
49 KB (6,809 words) - 00:57, 25 July 2025
evaluate the probability of a hypothesis, the Bayesian probabilist specifies a prior probability. This, in turn, is then updated to a posterior probability in...
33 KB (3,426 words) - 21:46, 22 July 2025
Normal distribution (category Conjugate prior distributions)
analysis of conjugate priors for the normal distribution in terms of the precision. The posterior precision is simply the sum of the prior and likelihood...
149 KB (21,749 words) - 21:46, 22 July 2025