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| Robust Bayesianskt nätverk× | Hierarkisk Bayesiansk inferens× | |
|---|---|---|
| Ämnesområde | Bayesiansk statistik | Bayesiansk statistik |
| Familj | Bayesian methods | Bayesian methods |
| Ursprungsår≠ | 1991-2000 | 1972 (Lindley & Smith); consolidated 1995–2013 |
| Upphovsperson≠ | Fabio Cozman (credal networks); Peter Walley (imprecise probabilities) | Lindley & Smith; Gelman et al. |
| Typ≠ | probabilistic graphical model with set-valued probabilities | Bayesian multilevel model |
| Ursprungskälla≠ | Cozman, F. G. (2000). Credal networks. Artificial Intelligence, 120(2), 199-233. DOI ↗ | Gelman, A., Carlin, J. B., Stern, H. S., Dunson, D. B., Vehtari, A. & Rubin, D. B. (2013). Bayesian Data Analysis (3rd ed.). CRC Press. ISBN: 978-1439840955 |
| Alias | RBN, credal network, imprecise Bayesian network, sensitivity analysis in Bayesian networks | multilevel Bayesian modeling, Bayesian hierarchical model, nested Bayesian model, partial pooling model |
| Närliggande≠ | 5 | 6 |
| Sammanfattning≠ | A Robust Bayesian Network extends a classical Bayesian network by replacing each precise conditional probability table with a set of allowable probability distributions — called a credal set. Instead of a single probability for each query, inference returns a range of probabilities, honestly reflecting uncertainty about the model's numeric parameters while preserving the interpretable directed-acyclic-graph structure. | Hierarchical Bayesian inference is a probabilistic modeling framework that organises parameters into levels, placing priors on the group-level parameters and hyperpriors on the parameters governing those priors. It enables partial pooling of information across groups, balancing the extremes of treating each group as independent or merging them into a single estimate. |
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