activity
20062026
most citedRegularized estimation of large covariance matrices

939 citations · 3.6k across the 51 of their papers we have counts for

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11 papers · 1 filter

stat.ML2025

Interpretable Network-assisted Random Forest+

Tiffany M. Tang, Elizaveta Levina, Ji Zhu

Machine learning algorithms often assume that training samples are independent. When data points are connected by a network, the induced dependency between samples is both a challe…

stat.ML2023

Fair Information Spread on Social Networks with Community Structure

Octavio Mesner, Elizaveta Levina, Ji Zhu

Information spread through social networks is ubiquitous. Influence maximiza- tion (IM) algorithms aim to identify individuals who will generate the greatest spread through the soc…

stat.ML2019

High-dimensional Gaussian graphical model for network-linked data

Tianxi Li, Cheng Qian, Elizaveta Levina +1

Graphical models are commonly used to represent conditional dependence relationships between variables. There are multiple methods available for exploring them from high-dimensiona…

stat.ML2015★ 12 cited

Community Detection in Networks with Node Features

Yuan Zhang, Elizaveta Levina, Ji Zhu

Many methods have been proposed for community detection in networks, but most of them do not take into account additional information on the nodes that is often available in practi…

stat.ML2015★ 21 cited

Estimating network edge probabilities by neighborhood smoothing

Yuan Zhang, Elizaveta Levina, Ji Zhu

The estimation of probabilities of network edges from the observed adjacency matrix has important applications to predicting missing links and network denoising. It has usually bee…

stat.ML2015★ 46 cited

Estimating the number of communities in networks by spectral methods

Can M. Le, Elizaveta Levina

Community detection is a fundamental problem in network analysis with many methods available to estimate communities. Most of these methods assume that the number of communities is…