asymmetric Dirichlet distribution
GPTKB entity
Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:organization
|
| gptkbp:application |
gptkb:latent_Dirichlet_allocation
topic modeling mixture models |
| gptkbp:conjugate_prior_for |
multinomial distribution
|
| gptkbp:definedIn |
probability density function
|
| gptkbp:dimensions |
K (number of categories)
|
| gptkbp:generalizes |
gptkb:symmetric_Dirichlet_distribution
|
| https://www.w3.org/2000/01/rdf-schema#label |
asymmetric Dirichlet distribution
|
| gptkbp:meaning |
alpha_i / sum(alpha)
|
| gptkbp:parameter |
vector of positive real numbers
|
| gptkbp:supports |
probability simplex
|
| gptkbp:type |
gptkb:Dirichlet_distribution
|
| gptkbp:used_in |
gptkb:machine_learning
Bayesian statistics |
| gptkbp:variant |
(alpha_i*(sum(alpha)-alpha_i)) / (sum(alpha)^2*(sum(alpha)+1))
|
| gptkbp:bfsParent |
gptkb:Dirichlet_distribution
|
| gptkbp:bfsLayer |
6
|