Search Results for author: Byoungwook Jang

Found 4 papers, 1 papers with code

The Sylvester Graphical Lasso (SyGlasso)

1 code implementation1 Feb 2020 Yu Wang, Byoungwook Jang, Alfred Hero

We apply the SyGlasso to an electroencephalography (EEG) study to compare the brain connectivity of alcoholic and nonalcoholic subjects.

EEG

Precision Matrix Estimation with Noisy and Missing Data

no code implementations7 Apr 2019 Roger Fan, Byoungwook Jang, Yuekai Sun, Shuheng Zhou

Estimating conditional dependence graphs and precision matrices are some of the most common problems in modern statistics and machine learning.

Minimum Volume Topic Modeling

no code implementations3 Apr 2019 Byoungwook Jang, Alfred Hero

We propose a new topic modeling procedure that takes advantage of the fact that the Latent Dirichlet Allocation (LDA) log likelihood function is asymptotically equivalent to the logarithm of the volume of the topic simplex.

Model Optimization

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