Guo X, Wang T, Zhu L: Model checking for parametric single-index models: a dimension reduction model-adaptive approach. Journal of the Royal Statistical Society: Series B (accepted) 2015
Xu P, Zhang J, Huang X, Wang T: Efficient estimation for marginal generalized partially linear single-index models with longitudinal data. Test (accepted) 2015
Xu P, Wang T, Zhu H, Zhu L: Double penalized H-likelihood for selection of fixed and random effects in mixed effects models. Statistics in Biosciences 2015, 7:108–128