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Research Output 2008 2019

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2019

Bagging and deep learning in optimal individualized treatment rules

Mi, X., Zou, F. & Zhu, R., Jan 1 2019, In : Biometrics.

Research output: Contribution to journalArticle

Bagging
learning
Learning
Decision Rules
neural networks

Counting process-based dimension reduction methods for censored outcomes

Sun, Q., Zhu, R., Wang, T. & Zeng, D., Mar 1 2019, In : Biometrika. 106, 1, p. 181-186 6 p.

Research output: Contribution to journalArticle

Dimension-reduction Subspaces
Counting Process
Dimension Reduction
Reduction Method
Censored Survival Data

Nonparametric variable selection and its application to additive models

Feng, Z., Lin, L., Zhu, R. & Zhu, L., Jan 1 2019, In : Annals of the Institute of Statistical Mathematics.

Research output: Contribution to journalArticle

Additive Models
Variable Selection
Nonparametric Model
Approximation
Two-stage Procedure
2018

GradientScanSurv—An exhaustive association test method for gene expression data with censored survival outcome

Yi, M., Zhu, R. & Stephens, R. M., Dec 1 2018, In : PloS one. 13, 12, e0207590.

Research output: Contribution to journalArticle

Gene expression
Gene Expression
gene expression
Medicine
Survival Analysis

Multivariate computational analysis of biosensor's data for improved CD64 quantification for sepsis diagnosis

Hassan, U., Zhu, R. & Bashir, R., Jan 1 2018, In : Lab on a chip. 18, 8, p. 1231-1240 10 p.

Research output: Contribution to journalArticle

Biosensing Techniques
Biosensors
Sepsis
Multivariate Analysis
Systemic Inflammatory Response Syndrome
2017

Combining Biomarkers with EMR Data to Identify Patients in Different Phases of Sepsis

Taneja, I., Reddy, B., Damhorst, G., Zhao, S. D., Hassan, U., Price, Z., Jensen, T., Ghonge, T., Patel, M., Wachspress, S., Winter, J., Rappleye, M., Smith, G., Healey, R., Ajmal, M., Khan, M., Patel, J., Rawal, H., Sarwar, R., Soni, S. & 6 othersAnwaruddin, S., Davis, B., Kumar, J., White, K., Bashir, R. & Zhu, R., Dec 1 2017, In : Scientific Reports. 7, 1, 10800.

Research output: Contribution to journalArticle

Electronic Health Records
Sepsis
Biomarkers
Area Under Curve
Interleukin 1 Receptor Antagonist Protein

Greedy outcome weighted tree learning of optimal personalized treatment rules

Zhu, R., Zhao, Y. Q., Chen, G., Ma, S. & Zhao, H., Jun 1 2017, In : Biometrics. 73, 2, p. 391-400 10 p.

Research output: Contribution to journalArticle

learning
Learning
Reinforcement learning
Tamoxifen
High-dimensional

Tree based weighted learning for estimating individualized treatment rules with censored data

Cui, Y., Zhu, R. & Kosorok, M., Jan 1 2017, In : Electronic Journal of Statistics. 11, 2, p. 3927-3953 27 p.

Research output: Contribution to journalArticle

Censored Data
Survival Time
Failure Time
Censoring
Censored Survival Data
2016

Increasing access to state psychiatric hospital Beds: Exploring supply-side solutions

La, E. M., Lich, K. H., Wells, R., Ellis, A. R., Swartz, M. S., Zhu, R. & Morrissey, J. P., May 1 2016, In : Psychiatric Services. 67, 5, p. 523-528 6 p.

Research output: Contribution to journalArticle

State Hospitals
Psychiatric Hospitals
Hospital Administrators
Patient Admission
Community Hospital

Integrating multidimensional omics data for cancer outcome

Zhu, R., Zhao, Q., Zhao, H. & Ma, S., Oct 1 2016, In : Biostatistics. 17, 4, p. 605-618 14 p.

Research output: Contribution to journalArticle

Cancer
Gene Expression
Regulator
Module
Melanoma
2015

Reinforcement Learning Trees

Zhu, R., Zeng, D. & Kosorok, M. R., Oct 2 2015, In : Journal of the American Statistical Association. 110, 512, p. 1770-1784 15 p.

Research output: Contribution to journalArticle

Reinforcement Learning
Random Forest
Threefolds
Asymptotic Properties
Reinforcement learning

The Effects of State Psychiatric Hospital Waitlist Policies on Length of Stay and Time to Readmission

La, E. H., Zhu, R., Lich, K. H., Ellis, A. R., Swartz, M. S., Kosorok, M. R. & Morrissey, J. P., May 1 2015, In : Administration and Policy in Mental Health and Mental Health Services Research. 42, 3, p. 332-342 11 p.

Research output: Contribution to journalArticle

State Hospitals
Psychiatric Hospitals
Length of Stay
Diagnosis-Related Groups
Proportional Hazards Models
2014

Identifying gene-environment and gene-gene interactions using a progressive penalization approach

Zhu, R., Zhao, H. & Ma, S., Jan 1 2014, In : Genetic Epidemiology. 38, 4, p. 353-368 16 p.

Research output: Contribution to journalArticle

Genes
Gene-Environment Interaction
Lung Neoplasms
Gene Expression
2012

Recursively imputed survival trees

Zhu, R. & Kosorok, M. R., Jul 2 2012, In : Journal of the American Statistical Association. 107, 497, p. 331-340 10 p.

Research output: Contribution to journalArticle

Monte Carlo EM Algorithm
Regression Tree
Right-censored Data
Imputation
Censored Data
2008

Diagnostic checking for multivariate regression models

Zhu, L., Zhu, R. & Song, S., Oct 1 2008, In : Journal of Multivariate Analysis. 99, 9, p. 1841-1859 19 p.

Research output: Contribution to journalArticle

Monte Carlo Test
Multivariate Regression
Non-parametric test
Multivariate Models
Regression Model