activity
20042023
most citedHigher criticism for detecting sparse heterogeneous mixtures

754 citations · 1.7k across the 32 of their papers we have counts for

collaborators

32 papers

stat.ME2023

Subject clustering by IF-PCA and several recent methods

Dieyi Chen, Jiashun Jin, Zheng Tracy Ke

Subject clustering (i.e., the use of measured features to cluster subjects, such as patients or cells, into multiple groups) is a problem of great interest. In recent years, many a…

math.ST2023★ 2 cited

Phase transition for detecting a small community in a large network

Jiashun Jin, Zheng Tracy Ke, Paxton Turner +1

How to detect a small community in a large network is an interesting problem, including clique detection as a special case, where a naive degree-based -test was shown to be po…

cs.DL2022★ 3 cited

Co-citation and Co-authorship Networks of Statisticians

Pengsheng Ji, Jiashun Jin, Zheng Tracy Ke +1

We collected and cleaned a large data set on publications in statistics. The data set consists of the coauthor relationships and citation relationships of 83, 331 papers published…

cs.SI2022

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

Zheng Tracy Ke, Jiashun Jin

SCORE was introduced as a spectral approach to network community detection. Since many networks have severe degree heterogeneity, the ordinary spectral clustering (OSC) approach to…

stat.ME2021★ 1 cited

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

Yaxuan Huang, Zheng Tracy Ke, Jiashun Jin

The screening testing is an effective tool to control the early spread of an infectious disease such as COVID-19. When the total testing capacity is limited, we aim to optimally al…

math.ST2019★ 1 cited

Optimal Adaptivity of Signed-Polygon Statistics for Network Testing

Jiashun Jin, Zheng Tracy Ke, Shengming Luo

Given a symmetric social network, we are interested in testing whether it has only one community or multiple communities. The desired tests should (a) accommodate severe degree het…