プロフィール詳細

プロジェクトを作成

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Dr. Calvin G.に依頼

United States

Freelance Statistician & Data Analyst | Expert in R & SAS

プロフィール概要

I am a PhD-level statistician with a strong background in advanced data analysis, statistical modeling, and research methodology. With extensive experience collaborating across academic, clinical, and industrial research projects, I provide expert support in data visualization, hypothesis testing, predictive modeling, manuscript writing, and other high-quality statistical services. My professional interests lie at the intersection of technology, statistics, and programming. I am committed to clear communication, scientific rigor, and delivering actionable insights, I am more than eager to help move your project forward effectively.

専門分野

• ☆ Biostatistics
• ☆ Data Analysis
• ☆ Data Visualization
• ☆ Statistics
• ☆ Statistical Theory
• ☆ Applied Statistics
• ☆ Regression Analysis
• ☆ Multivariate Analysis
• ☆ Nonlinear Regression
• ☆ Bayesian Statistics
• ☆ Correlation Analysis
• ☆ Statistical Computing
• ☆ Mathematical Statistics
• ☆ Health Data Analysis
• ☆ SAS
• ☆ R
• ☆ Technical & Scientific Writing
• ☆ Manuscript & Journal Article Writing

サービス

• Research
• Data & AI

Research Market Research, User Research, Scientific and Technical Research

Data & AI Predictive Modeling, Statistical Analysis, Data Visualization, Big Data Analytics, Data Cleaning, Data Processing, Data Insights

職務経験

Statistics Intelligence Analyst

Mercor

4月 2025 - 現在

Assistant Manager

Star Market

4月 2025 - 現在

Clerk

Star Market

9月 2024 - 4月 2025

AI Expert Contributor: Statistics

Snorkel AI

1月 2025 - 3月 2025

Graduate Teaching Fellow

Boston University

1月 2024 - 5月 2024

Ph.D. Research Fellow

Boston University

9月 2017 - 5月 2024

Associate Programmer Analyst

Abt Associates Inc.

10月 2012 - 3月 2015

Data & Programming Assistant

Framingham Heart Study

7月 2009 - 9月 2012

学歴

Doctor of Philosophy (Statistics)

Boston University

9月 2017 - 5月 2024

Master of Arts (Statistics)

Boston University

1月 2016 - 5月 2017

Bachelor of Arts ( Mathematics & Economics)

Boston University

9月 2008 - 5月 2012

認定資格

• Doctor of Philosophy in Statistics (CeDiD:248R-F0IK-CVNP Name:CA)

  Boston University

  https://www.bu.edu/phpbin/cecredential/validate/

  5月 2024 - 現在

• SAS Certified Advanced Programmer for SAS9

  SAS Institute Inc.

  https://www.credly.com/badges/e14a39fb-883b-446d-9c61-d7d3877d21af

  8月 2008 - 現在

• SAS Certified Base Programmer for SAS9

  SAS Institute Inc.

  https://www.credly.com/badges/a49a406e-24f6-4186-b516-af9a015f0f5b

  7月 2008 - 現在

出版物

JOURNAL ARTICLE

Guan Calvin, Au Rhoda, Ang Alvin, Gangopadhyay Ashis (2024). Analyzing the Covariance Structure of Plasma Signaling Proteins in Relation to the Diagnosis of Dementia . International Journal of Clinical Biostatistics and Biometrics.

Calvin Guan, Ashita Gurnani, Brandon Frank, Stacy Andersen, Sherral Devine, Landon Hurley, Chunyu Liu, Honghuang Lin, Rhoda Au (2023). A - 3 Quantifying the Richness of the Boston Process Approach (BPA) Using a Novel Analytic Approach: the Framingham Heart Study . Archives of Clinical Neuropsychology.

DISSERTATION THESIS

Calvin Xin Guan (2024). Usage of hypothesis testing methods for the equivalence of covariance matrices in dementia outcome analysis .

PREPRINT

Calvin Guan, Ashis Gangopadhyay (2023). A functional perspective on the conditional covariance comparison problem in dementia analysis .

CONFERENCE PAPER

Calvin Xin Guan, Louise S. Hadden (2013). EXCELing in DDE: Unlock Useful Tools for Processing Excel® . NESUG 2013.