About
I specialize in statistical modeling and data analysis of high dimensional & high…
Activity
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If you are a statistician working in the biopharmaceutical industry and planning to attend a regulatory statistical workshop, now is the time to act.…
If you are a statistician working in the biopharmaceutical industry and planning to attend a regulatory statistical workshop, now is the time to act.…
Liked by Junrui Di
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Cutting-edge technology is a critical aspect of our ongoing work to innovate and improve patient experiences in #ClinicalTrials. Ahead of…
Cutting-edge technology is a critical aspect of our ongoing work to innovate and improve patient experiences in #ClinicalTrials. Ahead of…
Liked by Junrui Di
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AI has become a cornerstone of discussions at technology conferences. At this year's ASA Biopharmaceutical Section Regulatory-Industry Statistical…
AI has become a cornerstone of discussions at technology conferences. At this year's ASA Biopharmaceutical Section Regulatory-Industry Statistical…
Liked by Junrui Di
Experience
Education
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Johns Hopkins Bloomberg School of Public Health
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Thesis: Feature Engineering and Statistical Modeling of Wearable Devices Data
Advisor: Vadim Zipunnikov, Ph.D. -
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Thesis: Robust Integrative Analysis of Multi-Block Contaminated Datasets
Advisor: Valerie Korostyshevskiy, Ph.D. -
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High Distinction Scholarship (roughly equivalent to magna cum laude), Phi Beta Kappa.
Publications
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Wrist-Worn Accelerometry, Aging, and Gait Speed in the Baltimore Longitudinal Study of Aging
Journal of Aging and Physical Activity
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Rest-activity rhythm is associated with obesity phenotypes: a cross-sectional analysis
Frontiers in Endocrinology
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Deployment and Application of Multi-Modal Sensors in Clinical Trials
Biopharmaceutical Report
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Bedtime Habits in Adults with and without Type 2 Diabetes
Journal of Articles in Support of the Null Hypothesis
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Demographic characteristics associated with circadian rest-activity rhythm patterns: a cross-sectional study
International Journal of Behavioral Nutrition and Physical Activity
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Development of digital measures for nighttime scratch and sleep using wrist-worn wearable devices
Nature npj Digital Medicine
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Perfusion Pressure Lacks Diagnostic Specificity for the Diagnosis of Acute Compartment Syndrome
Journal of Orthopaedic Trauma
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Active-to-Sedentary Behavior Transitions, Fatigability, and Physical Functioning in Older Adults
The Journals of Gerontology: Series A
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Joint and Individual Representation of Domains of Physical Activity, Sleep, and Circadian Rhythmicity
Statistics in Biosciences
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Organizing and Analyzing the Activity Data in NHANES
Statistics in Biosciences
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Novel metrics for growth model selection
Emerging Themes in Epidemiology
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Epidemiology of objectively measured bedtime and chronotype in US adolescents and adults: NHANES 2003–2006
Chronobiology International
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Total volume of physical activity: TAC, TLAC or TAC(λ)
Preventive Medicine
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Re-evaluating the effect of age on physical activity over the lifespan
Preventive Medicine
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Determining Survey Satisficing of Online Longitudinal Survey Data in the Multicenter AIDS Cohort Study using a Group-Based Trajectory Analysis
Journal of Medical Internet Research, Public Health and Surveillance
Patents
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Computer Decision Support Tool For Scratch Detection and Flare Prediction
Filed US 63/043,108
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Digital medicine companion for treating and managing skin diseases
Filed us 63/291,798
Courses
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Abstract Algebra
MATH113
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Advanced Data Science I & II
PH140.711-712
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Advanced Method in Biostatistics I II III IV
PH140.751-754
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Applied Functional Data Analysis
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Bioinformatics for Omics Data
BIST532
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Categorical Data Analysis
BIST512
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Complex Analysis
MATH185
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Computational Molecular Medicine
EN550.450
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Concepts of Probability
STAT134
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Consulting
BIST550
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Discrete Math
MATH55
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Elementary Cantonese
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Epidemiology
PH140.601
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Epidemiology of Infectious Diseases
PH.340.627
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Experimental Design / Clinical Trial
BIST540
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Introduction to Mathematical Economics
MATH C103
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Introduction to Statistical Softwares
BIST515
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Linear Algebra
MATH110
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Linear Modeling & Multivariate Analysis
BIST514
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Linear Programming
IEOR162
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Mathematical Tools of Physical Science I&II
MATH121A&B
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Method of Manufacturing Improvment
IEOR130
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Numerical Analysis
MATH128A
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Operation Research
IEOR160
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Optimization for Statistics
140.850
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Partial Differential Equations
MATH126
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Principles of Epidemiology
BIST541
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Probability Theory I II III IV
PH140.721-724
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Probability&Sampling
BIST510
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Quantitative Data Analysis and Reporting
BIST545
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Real Analysis
MATH104
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Statistical Computing
PH140.776
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Statistical Inference
BIST511
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Statistical Machine Learning: Methods, Theory, and Applications
PH.140.644
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Statistical Theory I II III IV
PH140.731-734
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Survival Analysis
BIST513
Honors & Awards
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Recognizing our Values Award
Pfizer
This award recognizes colleagues whose special accomplishment furthers Pfizer's achievement of its purpose - Breakthroughs that change patients' lives. The program is designed to recognize and reward colleagues for an exceptional contribution to the business while demonstrating the Pfizer values and culture.
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Early Clinical Development Cross Functional Team Courage Award
Pfizer
ECD Courage Award recognizes colleagues who have made courageous decisions through data generation, analysis, synthesis, communication, and behavior to ensure Pfizer's success.
For: "Designing, planning, and conducting the PfiRe Lab studies to collect at-home gait and physical activity data from both adults and pediatric populations for the purpose of the master protocol development with wearable devices.'' -
Recognizing our Values Award
Pfizer
This award recognizes colleagues whose special accomplishment furthers Pfizer's achievement of its purpose - Breakthroughs that change patients' lives. The program is designed to recognize and reward colleagues for an exceptional contribution to the business while demonstrating the Pfizer values and culture.
For: Publishing a high impact peer-reviewed paper helping Pfizer lead the conversation pertaining to digital endpoints, which contributes to advancing the field, in an effort to…This award recognizes colleagues whose special accomplishment furthers Pfizer's achievement of its purpose - Breakthroughs that change patients' lives. The program is designed to recognize and reward colleagues for an exceptional contribution to the business while demonstrating the Pfizer values and culture.
For: Publishing a high impact peer-reviewed paper helping Pfizer lead the conversation pertaining to digital endpoints, which contributes to advancing the field, in an effort to ultimately reach a point where digital clinical measurements are utilized in a "business as usual" manner. -
The W.E. Upjohn Prizes Award
Pfizer
This award recognizes and rewards colleagues for an exceptional contribution to the business while demonstrating the Pfizer values and culture. Prizes should be awarded to colleagues for contributing above and beyond ones' job and responsibility to an outcome that helps achieve a business goal.
For: Being a critical player in the design, implementation, conduct, and close of the SPA internship program by demonstrating Pfizer value of excellence, and helped to achieve the end goal and…This award recognizes and rewards colleagues for an exceptional contribution to the business while demonstrating the Pfizer values and culture. Prizes should be awarded to colleagues for contributing above and beyond ones' job and responsibility to an outcome that helps achieve a business goal.
For: Being a critical player in the design, implementation, conduct, and close of the SPA internship program by demonstrating Pfizer value of excellence, and helped to achieve the end goal and complete the hiring targets for 2020. -
WRDM Team Achievement Award Finalists
Pfizer
The WRDM Achievement Awards program recognizes colleagues who demonstrate exceptional commitment to our Values; make extraordinary scientific, strategic, and/or operational contributions to our business; and whose innovations tangibly impact Pfizer’s ability to achieve our Purpose: Breakthroughs that change patients’ lives.
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The W.E. Upjohn Prizes Award
Pfizer
This award recognizes and rewards colleagues for an exceptional contribution to the business while demonstrating the Pfizer values and culture. Prizes should be awarded to colleagues for contributing above and beyond ones' job and responsibility to an outcome that helps achieve a business goal.
For: Being an excellent team member within Pfizer by dropping all his ongoing workload to assist in completing the QC task for an external conference presentation in light of the short timelines…This award recognizes and rewards colleagues for an exceptional contribution to the business while demonstrating the Pfizer values and culture. Prizes should be awarded to colleagues for contributing above and beyond ones' job and responsibility to an outcome that helps achieve a business goal.
For: Being an excellent team member within Pfizer by dropping all his ongoing workload to assist in completing the QC task for an external conference presentation in light of the short timelines to ensure confidence and the quality of the data being produced to the level necessary. -
BigDIA Travel Award
4th International Conference on Big Data and Information Analytics
This is the travel award for the 4th International Conference on Big Data and Information Analytics.
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The June B. Culley Award
Johns Hopkins Bloomberg School of Public Health
The June B. Culley Award honors outstanding achievement by a Biostatistics student on his or her schoolwide examination paper.
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The Louis I. and Thomas D. Dublin Award
Johns Hopkins Bloomberg School of Public Health
The Louis I. and Thomas D. Dublin Award for the Advancement of Epidemiology and Biostatistics supports those students whose research focuses on the effective use of statistical reasoning and methods in epidemiology.
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Outstanding Graduate Student Award
Washington Statistical Society
This award is presented by the Washington Statistical Society to the outstanding full-time graduate student of statistics/biostatistics at each university in the Washington metropolitan area with a graduate statistics/biostatistics program.
Languages
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English
Native or bilingual proficiency
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Mandarin
Native or bilingual proficiency
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