1. A gradient model for studying genotype- environment interactions Open Access Author: Chen, Weihan Title: A gradient model for studying genotype- environment interactions Graduate Program: Statistics Keywords: QTL genotypesEM algorithm File: Download Master_Thesis_by_Wei-Han_Chen_993645493.pdf Committee Members: Rongling Wu, Thesis Advisor/Co-AdvisorRongling Wu, Thesis Advisor/Co-Advisor