Zhi Wang

Zhi Wang

Ph.D. Student in Statistics

Columbia University

I’m a fifth year Ph.D. student at Department of Statistics, Columbia University. I work with Prof. Jingchen Liu and Prof. Zhiliang Ying on statistical learning for process data and its application in psychometrics.

Interests

  • Statistical Machine Learning
  • Latent Variable Modeling
  • Longitudinal Data Analysis

Education

  • B.S. in Mathematics and Applied Mathematics, 2016

    Peking University

Publications

Statistical analysis of multi-relational network recovery
Zhi Wang, Xueying Tang, Jingchen Liu
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An exploratory analysis of the latent structure of process data via action sequence autoencoders
Xueying Tang, Zhi Wang, Jingchen Liu, Zhiliang Ying
PDF DOI
Latent feature extraction for process data via multidimensional scaling
Xueying Tang, Zhi Wang, Qiwei He, Jingchen Liu, Zhiliang Ying
PDF DOI
Sums of possibly associated multivariate indicator functions: The Conway–Maxwell-Multinomial distribution
Joseph B. Kadane, Zhi Wang
PDF DOI

Working Papers

Accurate assessment via process data
Susu Zhang, Zhi Wang, Jitong Qi, Jingchen Liu, Zhiliang Ying
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Adaptively weighted stochastic gradient descent algorithm
Xueying Tang, Zhi Wang, Jingchen Liu
ProcData: An R package for process data analysis
Xueying Tang, Susu Zhang, Zhi Wang, Jingchen Liu, Zhiliang Ying
PDF Code
Subtask analysis of process data through a predictive model
Zhi Wang, Xueying Tang, Jingchen Liu, Zhiliang Ying
PDF

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