Investigation of bimodality in likelihoods and posterior densities


Firat M., Thompson R.

JOURNAL OF STATISTICAL COMPUTATION AND SIMULATION, cilt.54, ss.379-386, 1996 (SCI İndekslerine Giren Dergi) identifier identifier

  • Cilt numarası: 54 Konu: 4
  • Basım Tarihi: 1996
  • Doi Numarası: 10.1080/00949659608811741
  • Dergi Adı: JOURNAL OF STATISTICAL COMPUTATION AND SIMULATION
  • Sayfa Sayıları: ss.379-386

Özet

A univariate balanced one-way sire model with two variance components is used to investigate whether likelihood and Bayesian methods can encounter the problem of multiple solutions within the permissible parameter space. Analytical results suggest that the posterior density function is sometimes bimodal when an improper density function is used. Visualization of the log-likelihood density however, did not reveal bimodality.