Search Results for author: Robert H. Aseltine

Found 3 papers, 0 papers with code

Tree-Guided Rare Feature Selection and Logic Aggregation with Electronic Health Records Data

no code implementations18 Jun 2022 Jianmin Chen, Robert H. Aseltine, Fei Wang, Kun Chen

In a suicide risk study with EHR data, our approach is able to select and aggregate prior mental health diagnoses as guided by the diagnosis hierarchy of the International Classification of Diseases.

Dimensionality Reduction Specificity

Suicide Risk Modeling with Uncertain Diagnostic Records

no code implementations5 Sep 2020 Wenjie Wang, Chongliang Luo, Robert H. Aseltine, Fei Wang, Jun Yan, Kun Chen

Motivated by the pressing need for suicide prevention through improving behavioral healthcare, we use medical claims data to study the risk of subsequent suicide attempts for patients who were hospitalized due to suicide attempts and later discharged.

Survival Analysis

Pursuing Sources of Heterogeneity in Modeling Clustered Population

no code implementations10 Mar 2020 Yan Li, Chun Yu, Yize Zhao, Robert H. Aseltine, Weixin Yao, Kun Chen

We clarify the concepts of the source of heterogeneity that account for potential scale differences of the clusters and propose a regularized finite mixture effects regression to achieve heterogeneity pursuit and feature selection simultaneously.

Association regression

Cannot find the paper you are looking for? You can Submit a new open access paper.