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EnglishWe show how to approximate de Finetti's measure of a partially exchangeable sequence by a mixture of products of Dirichlet measures, explicitly built once the approximation error has been fixed. These results are used to give a general method for the elicitation of prior distributions corresponding to partially exchangeable sequences, when prior information essentially derive from available data relative to phenomena similar to that we consider.
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| Titolo: | Approximating de Finetti's measures for partially exchangeable sequences | |
| Data di pubblicazione: | 2000 | |
| Autori: | ||
| Autori: | Guglielmi, A.; Melilli, Eugenio | |
| Rivista: | STATISTICS & PROBABILITY LETTERS | |
| Abstract: | We show how to approximate de Finetti's measure of a partially exchangeable sequence by a mixture of products of Dirichlet measures, explicitly built once the approximation error has been fixed. These results are used to give a general method for the elicitation of prior distributions corresponding to partially exchangeable sequences, when prior information essentially derive from available data relative to phenomena similar to that we consider. | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/S0167-7152(00)00013-4 | |
| Appare nelle tipologie: | 01 - Article in academic journal / Articolo su rivista scientifica |
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