Basturk, Nalan; Grassi, Stefano; Hoogerheide, Lennart; … - 2015
This paper presents the R-package MitISEM (mixture of t by importance sampling weighted expectation maximization) which … optimization procedure is weighted using importance sampling. In the second stage this mixture density is a candidate density for … efficient and robust application of importance sampling or the Metropolis-Hastings (MH) method to estimate properties of the …