activity
20172023
most citedDetermining the Number of Communities in Degree-corrected Stochastic Block Models

19 citations · 39 across the 8 of their papers we have counts for

collaborators

9 papers

econ.EM2023★ 5 cited

Panel Data Models with Time-Varying Latent Group Structures

Yiren Wang, Peter C B Phillips, Liangjun Su

This paper considers a linear panel model with interactive fixed effects and unobserved individual and time heterogeneities that are captured by some latent group structures and an…

econ.EM2022★ 5 cited

Low-rank Panel Quantile Regression: Estimation and Inference

Yiren Wang, Liangjun Su, Yichong Zhang

In this paper, we propose a class of low-rank panel quantile regression models which allow for unobserved slope heterogeneity over both individuals and time. We estimate the hetero…

econ.EM2022

A One-Covariate-at-a-Time Method for Nonparametric Additive Models

Liangjun Su, Thomas Tao Yang, Yonghui Zhang +1

This paper proposes a one-covariate-at-a-time multiple testing (OCMT) approach to choose significant variables in high-dimensional nonparametric additive regression models. Similar…

econ.EM2021★ 2 cited

Interactive Effects Panel Data Models with General Factors and Regressors

Bin Peng, Liangjun Su, Joakim Westerlund +1

This paper considers a model with general regressors and unobservable factors. An estimator based on iterated principal components is proposed, which is shown to be not only asympt…

econ.EM2020★ 1 cited

L2-Relaxation: With Applications to Forecast Combination and Portfolio Analysis

Zhentao Shi, Liangjun Su, Tian Xie

This paper tackles forecast combination with many forecasts or minimum variance portfolio selection with many assets. A novel convex problem called L2-relaxation is proposed. In co…

econ.EM2020★ 7 cited

Detecting Latent Communities in Network Formation Models

Shujie Ma, Liangjun Su, Yichong Zhang

This paper proposes a logistic undirected network formation model which allows for assortative matching on observed individual characteristics and the presence of edge-wise fixed e…

stat.ME2018★ 19 cited

Determining the Number of Communities in Degree-corrected Stochastic Block Models

Shujie Ma, Liangjun Su, Yichong Zhang

We propose to estimate the number of communities in degree-corrected stochastic block models based on a pseudo likelihood ratio statistic. To this end, we introduce a method that c…

stat.ME2017

Strong Consistency of Spectral Clustering for Stochastic Block Models

Liangjun Su, Wuyi Wang, Yichong Zhang

In this paper we prove the strong consistency of several methods based on the spectral clustering techniques that are widely used to study the community detection problem in stocha…

stat.ME2017

Non-separable Models with High-dimensional Data

Liangjun Su, Takuya Ura, Yichong Zhang

This paper studies non-separable models with a continuous treatment when the dimension of the control variables is high and potentially larger than the effective sample size. We pr…