41 citations · 80 across the 19 of their papers we have counts for
Showing math.STShow all
2 papers · 1 filter
math.ST2019★ 15 cited
Estimating Differential Latent Variable Graphical Models with Applications to Brain Connectivity
Sen Na, Mladen Kolar, Oluwasanmi Koyejo
Differential graphical models are designed to represent the difference between the conditional dependence structures of two groups, thus are of particular interest for scientific i…
math.ST2018
High-dimensional Index Volatility Models via Stein's Identity
Sen Na, Mladen Kolar
We study the estimation of the parametric components of single and multiple index volatility models. Using the first- and second-order Stein's identities, we develop methods that a…