She initially chose to work in categorical data with the hope that she could collaborate with her husband, then studying sociology. However, he moved to different work before that hope could pan out.[2] More specifically, her research has concerned differential item functioning, dimension reduction for data whose components have mixed types, and multiple response data (survey data in which respondents can provide multiple answers to a question).[2]
References
^ ab"Ivy Liu", About us: Staff, Victoria University of Wellington School of Mathematics and Statistics, retrieved 2019-09-08
^McWhirter, Judi (January 1999), "Waikato"(PDF), Local News, The New Zealand Statistical Association Newsletter, no. 48, pp. 13–14, archived from the original(PDF) on 2019-02-02