Porovnat metody
Prohlédněte si vybrané metody vedle sebe; řádky, které se liší, jsou zvýrazněny.
| Robustní Bayesovská síť× | Robustní bayesovská inference× | |
|---|---|---|
| Obor | Bayesovská statistika | Bayesovská statistika |
| Rodina | Bayesian methods | Bayesian methods |
| Rok vzniku≠ | 1991-2000 | 1984–1990 |
| Tvůrce≠ | Fabio Cozman (credal networks); Peter Walley (imprecise probabilities) | James O. Berger |
| Typ≠ | probabilistic graphical model with set-valued probabilities | Bayesian sensitivity / robustness framework |
| Původní zdroj≠ | Cozman, F. G. (2000). Credal networks. Artificial Intelligence, 120(2), 199-233. DOI ↗ | Berger, J. O. (1990). Robust Bayesian analysis: sensitivity to the prior. Journal of Statistical Planning and Inference, 25(3), 303–328. DOI ↗ |
| Další názvy | RBN, credal network, imprecise Bayesian network, sensitivity analysis in Bayesian networks | Bayesian sensitivity analysis, prior robustness, epsilon-contamination Bayesian analysis, robust Bayes |
| Příbuzné≠ | 5 | 6 |
| Shrnutí≠ | 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. | Robust Bayesian inference extends standard Bayesian analysis by replacing a single prior distribution with a class of plausible priors and examining how much the posterior conclusions change across that class. Instead of committing to one prior, the analyst bounds the posterior quantity of interest, revealing whether findings are stable or critically dependent on prior assumptions. |
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