Jiashun Jin

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

Showing 2014 · stat.MEShow all

2 papers · 2 filters

stat.ME2014★ 1 cited

Partial Correlation Screening for Estimating Large Precision Matrices, with Applications to Classification

Shiqiong Huang, Jiashun Jin, Zhigang Yao

We propose Partial Correlation Screening (PCS) as a new row-by-row approach to estimating a large precision matrix $Ω$ . To estimate the $i$ -th row of $Ω$ , $1 \leq i \leq p$ , PCS us…

stat.ME2014★ 7 cited

Influential Feature PCA for high dimensional clustering

Jiashun Jin, Wanjie Wang

We consider a clustering problem where we observe feature vectors $X_{i} \in R^{p}$ , $i = 1, 2, \dots, n$ , from $K$ possible classes. The class labels are unknown and the main interes…