173 citations · 251 across the 25 of their papers we have counts for
6 papers · 1 filter
On consistency of the MLE under finite mixtures of location-scale distributions with a structural parameter
Guanfu Liu, Pengfei Li, Yukun Liu +1
We provide a general and rigorous proof for the strong consistency of maximum likelihood estimators of the cumulative distribution function of the mixing distribution and structura…
Semiparametric inference on Gini indices of two semicontinuous populations under density ratio models
Meng Yuan, Pengfei Li, Changbao Wu
The Gini index is a popular inequality measure with many applications in social and economic studies. This paper studies semiparametric inference on the Gini indices of two semicon…
Semiparametric empirical likelihood inference with estimating equations under density ratio models
Meng Yuan, Pengfei Li, Changbao Wu
The density ratio model (DRM) provides a flexible and useful platform for combining information from multiple sources. In this paper, we consider statistical inference under two-sa…
Test for homogeneity with unordered paired observations
Jiahua Chen, Pengfei Li, Jing Qin +1
In some applications, an experimental unit is composed of two distinct but related subunits. The response from such a unit is but we observe only $Y_1 = \min\{X_{1…
Asymptotic coverage probabilities of bootstrap percentile confidence intervals for constrained parameters
Chunlin Wang, Paul Marriott, Pengfei Li
The asymptotic behaviour of the commonly used bootstrap percentile confidence interval is investigated when the parameters are subject to linear inequality constraints. We concentr…
Hypothesis test for normal mixture models: The EM approach
Jiahua Chen, Pengfei Li
Normal mixture distributions are arguably the most important mixture models, and also the most technically challenging. The likelihood function of the normal mixture model is unbou…