Zheng Tracy Ke | DeepAI

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Fan Yang
225 publications
Mengdi Wang
91 publications
Jianqing Fan
83 publications
T. Tony Cai
48 publications
Feng Shi
33 publications
Jun S. Liu
31 publications
Dong Xia
29 publications
Anru R. Zhang
22 publications
Lingzhou Xue
19 publications
Yaqi Duan
13 publications
Jiashun Jin
12 publications

∙ 06/08/2023

Subject clustering by IF-PCA and several recent methods

Subject clustering (i.e., the use of measured features to cluster subjec...

0 Dieyi Chen, et al. ∙

∙ 03/09/2023

Phase transition for detecting a small community in a large network

How to detect a small community in a large network is an interesting pro...

0 Jiashun Jin, et al. ∙

∙ 01/03/2023

Testing High-dimensional Multinomials with Applications to Text Analysis

Motivated by applications in text mining and discrete distribution infer...

0 T. Tony Cai, et al. ∙

∙ 04/26/2022

Optimal Network Membership Estimation Under Severe Degree Heterogeneity

Real networks often have severe degree heterogeneity. We are interested ...

0 Zheng Tracy Ke, et al. ∙

∙ 04/24/2022

Co-citation and Co-authorship Networks of Statisticians

We collected and cleaned a large data set on publications in statistics....

0 Pengsheng Ji, et al. ∙

∙ 04/23/2022

Power Enhancement and Phase Transitions for Global Testing of the Mixed Membership Stochastic Block Model

The mixed-membership stochastic block model (MMSBM) is a common model fo...

0 Louis Cammarata, et al. ∙

∙ 04/23/2022

The SCORE normalization, especially for highly heterogeneous network and text data

SCORE was introduced as a spectral approach to network community detecti...

0 Zheng Tracy Ke, et al. ∙

∙ 03/28/2022

A Comparison of Hamming Errors of Representative Variable Selection Methods

Lasso is a celebrated method for variable selection in linear models, bu...

0 Zheng Tracy Ke, et al. ∙

∙ 10/08/2021

Allocation of COVID-19 Testing Budget on a Commute Network of Counties

The screening testing is an effective tool to control the early spread o...

0 Yaxuan Huang, et al. ∙

∙ 10/16/2020

Power of FDR Control Methods: The Impact of Ranking Algorithm, Tampered Design, and Symmetric Statistic

As the power of FDR control methods for high-dimensional variable select...

0 Zheng Tracy Ke, et al. ∙

∙ 09/19/2020

Estimating the number of communities by Stepwise Goodness-of-fit

Given a symmetric network with n nodes, how to estimate the number of co...

0 Jiashun Jin, et al. ∙

∙ 07/15/2020

Measurement error models: from nonparametric methods to deep neural networks

The success of deep learning has inspired recent interests in applying n...

0 Zhirui Hu, et al. ∙

∙ 05/31/2020

Estimation of the number of spiked eigenvalues in a covariance matrix by bulk eigenvalue matching analysis

The spiked covariance model has gained increasing popularity in high-dim...

0 Zheng Tracy Ke, et al. ∙

∙ 09/14/2019

Community Detection for Hypergraph Networks via Regularized Tensor Power Iteration

To date, social network analysis has been largely focused on pairwise in...

0 Zheng Tracy Ke, et al. ∙

∙ 05/31/2019

Diagonally-Dominant Principal Component Analysis

We consider the problem of decomposing a large covariance matrix into th...

0 Zheng Tracy Ke, et al. ∙

∙ 04/21/2019

Optimal Adaptivity of Signed-Polygon Statistics for Network Testing

Given a symmetric social network, we are interested in testing whether i...

0 Jiashun Jin, et al. ∙

∙ 12/13/2018

Higher Moment Estimation for Elliptically-distributed Data: Is it Necessary to Use a Sledgehammer to Crack an Egg?

Multivariate elliptically-contoured distributions are widely used for mo...

0 Zheng Tracy Ke, et al. ∙

∙ 11/14/2018

SCORE+ for Network Community Detection

SCORE is a recent approach to network community detection proposed by Ji...

0 Jiashun Jin, et al. ∙

∙ 11/06/2018

State Aggregation Learning from Markov Transition Data

State aggregation is a model reduction method rooted in control theory a...

1 Yaqi Duan, et al. ∙

∙ 07/23/2018

Network Global Testing by Counting Graphlets

Consider a large social network with possibly severe degree heterogeneit...

0 Jiashun Jin, et al. ∙

∙ 08/16/2016

A Geometrical Approach to Topic Model Estimation

In the probabilistic topic models, the quantity of interest---a low-rank...

0 Zheng Tracy Ke, et al. ∙

∙ 02/24/2015

Phase Transitions for High Dimensional Clustering and Related Problems

Consider a two-class clustering problem where we observe X_i = ℓ_i μ + Z...

0 Jiashun Jin, et al. ∙

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