activity
20062023
most citedOracle inequalities for the lasso in the Cox model

110 citations · 512 across the 40 of their papers we have counts for

collaborators

40 papers

math.ST2023★ 1 cited

Semiparametric Modeling and Analysis for Longitudinal Network Data

Yinqiu He, Jiajin Sun, Yuang Tian +2

We introduce a semiparametric latent space model for analyzing longitudinal network data. The model consists of a static latent space component and a time-varying node-specific bas…

math.ST2022

Adjusting for non-confounding covariates in case-control association studies

Siliang Zhang, Jinbo Chen, Zhiliang Ying +1

There is a considerable literature in case-control logistic regression on whether or not non-confounding covariates should be adjusted for. However, only limited and ad hoc theoret…

stat.ME2021★ 17 cited

Item Response Theory -- A Statistical Framework for Educational and Psychological Measurement

Yunxiao Chen, Xiaoou Li, Jingchen Liu +1

Item response theory (IRT) has become one of the most popular statistical models for psychometrics, a field of study concerned with the theory and techniques of psychological measu…

stat.AP2021★ 5 cited

External Correlates of Adult Digital Problem-Solving Behavior: Log Data Analysis of a Large-Scale Assessment

Susu Zhang, Xueying Tang, Qiwei He +2

Using the action sequence data (i.e., log data) from the problem-solving in technology-rich environments assessment on the 2012 Programme for the International Assessment of Adult…

stat.AP2021★ 24 cited

Accurate Assessment via Process Data

Susu Zhang, Zhi Wang, Jitong Qi +2

Accurate assessment of students' ability is the key task of a test. Assessments based on final responses are the standard. As the infrastructure advances, substantially more inform…

math.ST2020

Identifiability of Bifactor Models

Guanhua Fang, Xin Xu, Jinxin Guo +2

The bifactor model and its extensions are multidimensional latent variable models, under which each item measures up to one subdimension on top of the primary dimension(s). Despite…