RT - Journal Article T1 - An EM Algorithm for Estimating the Parameters of the Generalized Exponential Distribution under Unified Hybrid Censored Data JF - srtc-jsri YR - 2012 JO - srtc-jsri VO - 8 IS - 2 UR - http://jsri.srtc.ac.ir/article-1-74-en.html SP - 215 EP - 228 K1 - EM algorithm K1 - Fisher information matrix K1 - maximum likelihood estimators K1 - unified hybrid censoring AB - The unified hybrid censoring is a mixture of generalized Type-I and Type-II hybrid censoring schemes. This article presents the statistical inferences on Generalized Exponential Distribution parameters when the data are obtained from the unified hybrid censoring scheme. It is observed that the maximum likelihood estimators can not be derived in closed form. The EM algorithm for computing the maximum likelihood estimators is proposed. We calculated the observed Fisher information matrix using the missing information principle which is useful for constructing the asymptotic confidence intervals. Simulations studies are performed to compare the performances of the estimators obtained under different schemes. Finally, a real data set has been analyzed for illustrative purposes. LA eng UL http://jsri.srtc.ac.ir/article-1-74-en.html M3 10.18869/acadpub.jsri.8.2.215 ER -