Bayesian sample size determination for the bounded linex loss function

Autor: L. I. Pettit, A. F. M. Saiful Islam
Rok vydání: 2013
Předmět:
Zdroj: Journal of Statistical Computation and Simulation. 84:1644-1653
ISSN: 1563-5163
0094-9655
DOI: 10.1080/00949655.2012.757766
Popis: In this paper, we discuss optimum sample size determination for a bounded linex loss function (blinex). The linex loss function is often used when losses are asymmetric, but it has the disadvantage that it can only be used if the moment-generating function of the posterior distribution exists. Blinex loss has the advantage that it can always be calculated. Also many authors have argued that a bounded loss function is to be preferred. We have obtained the optimum sample size for a number of distributions when the cost of sampling is linear. The form of the posterior risk function does not allow an analytical solution so simulation is necessary.
Databáze: OpenAIRE