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math.PR2012★ 1 cited
Stirling's approximations for exchangeable Gibbs weights
Annalisa Cerquetti
We obtain some approximation results for the weights appearing in the exchangeable partition probability function identifying Gibbs partition models of parameter , as i…
math.PR2010★ 2 cited
A new parametrization of the Gnedin-Fisher species sampling model
Annalisa Cerquetti
We introduce a new parametrization for the two-parameter species sampling model with {\it finite} but {\it random} number of different species recently introduced in Gnedin (2010a)…
math.PR2010★ 2 cited
On some Bayesian nonparametric estimators for species richness under two-parameter Poisson-Dirichlet priors
Annalisa Cerquetti
We present an alternative approach to the Bayesian nonparametric analysis of conditional species richness under two-parameter Poisson Dirichlet priors. We rely on a known character…