A characterization of the dirichlet distribution through global and local parameter independence. The Annals of Statistics
| Author(s) : | David Heckerman Dan Geiger, |
| Publisher : | N/A |
| Publication Date : | 1997 |
| ISSN : | N/A |
| Abstract : | We provide a new characterization of the Dirichlet distribution. Let ` ij, 1 i k; 1 j n, be positive random variables that sum to unity. Define ` i\Delta = P n j=1 ` ij, `I \Delta = f ` i\Delta g k\Gamma1 i=1, ` jji = ` ij =, |