1. Investigation of topics in U-statistics and their applications in risk estimation and cross-validation Open Access Author: Wang, Qing Title: Investigation of topics in U-statistics and their applications in risk estimation and cross-validation Graduate Program: Statistics Keywords: cross-validationkernel estimatorlikelihood riskmodel selectionpartition resamplingvariance estimationU-statistics File: Download PhDThesis_Qing.pdf Committee Members: Bruce G. Lindsay, Dissertation Advisor/Co-AdvisorBruce G. Lindsay, Committee Chair/Co-ChairNaomi S Altman, Committee MemberDavid Russell Hunter, Committee MemberRongling Wu, Committee Member