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Variance Change Point Detection under A Smoothly-changing Mean Trend with Application to Liver Procurement Gao, Zhenguo (Virginia Tech, 2018-02-23)Literature on change point analysis mostly requires a sudden change in the data distribution, either in a few parameters or the distribution as a whole. We are interested in the scenario that the variance of data may make ...
Some Advanced Model Selection Topics for Nonparametric/Semiparametric Models with High-Dimensional Data Fang, Zaili (Virginia Tech, 2012-10-19)Model and variable selection have attracted considerable attention in areas of application where datasets usually contain thousands of variables. Variable selection is a critical step to reduce the dimension of high ...