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Hire Dr. Calvin L.

Hong Kong

USD 50 /hr

Behavioral Data Scientist & PhD in Psychology (HKU, 11 SCI papers) | Python, NLP, DL, EHR, & Social Media Big Data

Profile Summary

I am a Behavioral Data Scientist and PhD in Psychology from HKU (QS Top 20) with a strong publication record of 11 peer-reviewed SCI papers (70% as first author). I bridge the gap between rigorous psychological science and advanced computational methodologies. My expertise lies in architecting end-to-end data science pipelines to extract insights from massive, structured or unstructured datasets, with a specific focus on mental health, depression, sleep, and social media engagement. Technical Expertise: Statistical tools: Proficient in SAS, R, and Python (e.g., Sklearn). NLP and Deep Learning: Experienced in large-scale text mining, predictive modeling, and Hugging Face transformer inference for classification. Big Data Domains: Proven track record in Electronic Health Records (EHR) processing, social media text mining, and digital phenotyping. Available for immediate freelance data consultancy.

Subject Matter Expertise

• ☆ Data Analysis
• ☆ Social Network Analysis
• ☆ Predictive Modeling & Analytics
• ☆ Data Processing
• ☆ Cluster Analysis
• ☆ Data Visualization
• ☆ Big Data Analytics
• ☆ Data Collection
• ☆ Machine Learning
• ☆ Text Mining & Analytics
• ☆ Data Cleaning
• ☆ Natural Language Processing
• ☆ Neural Networks
• ☆ Deep Learning
• ☆ Statistics
• ☆ Applied Statistics
• ☆ Social Statistics
• ☆ Meta-Analysis
• ☆ Regression Analysis
• ☆ Multivariate Analysis
• ☆ Nonlinear Regression
• ☆ Correlation Analysis
• ☆ Survey Design
• ☆ Study Design
• ☆ Statistical Review
• ☆ Medical Statistics
• ☆ Health Data Analysis
• ☆ Trend Analysis
• ☆ Taxonomy/Classification
• ☆ Human Behavior & Psychology
• ☆ Clinical Psychology
• ☆ Health Psychology
• ☆ Political Psychology
• ☆ Family Psychology
• ☆ Applied Psychology
• ☆ Analytical Psychology
• ☆ Human-Computer Interactions (HCI)
• ☆ Social Psychology
• ☆ Computational Linguistics
• ☆ Cyberpsychology
• ☆ Higher Education
• ☆ Educational Technology
• ☆ Asian Languages
• ☆ Python
• ☆ SPSS
• ☆ Matlab
• ☆ Excel
• ☆ SAS
• ☆ Tensorflow
• ☆ R
• ☆ Scikit-learn
• ☆ Sleep Medicine
• ☆ Public Health
• ☆ Epidemiology
• ☆ Global Health
• ☆ Community Health Services
• ☆ Health Informatics
• ☆ Counseling & Mental Health Support
• ☆ Depression
• ☆ Social Medicine
• ☆ Nursing
• ☆ Psychiatric Nursing
• ☆ Nursing Education
• ☆ Nursing Informatics
• ☆ Health Education
• ☆ Nursing Research

Services

• Writing
• Research
• Consulting
• Data & AI

Writing Clinical Trial Documentation, Medical Writing, General Proofreading & Editing

Research Meta-Research, Feasibility Study, Scientific and Technical Research, Secondary Data Collection

Consulting Scientific and Technical Consulting

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

Work Experience

Post-doctoral Fellow

Chinese University of Hong Kong

January 2024 - January 2025

Research Associate

Chinese University of Hong Kong

October 2023 - December 2023

Research Associate (Temporary)

Hong Kong Polytechnic University

April 2019 - July 2019

Research Assistant (Temporary)

The Hong Kong University of Science and Technology

January 2019 - March 2019

Research Assistant

The Hang Seng University of Hong Kong

June 2017 - December 2018

Research Assistant

Taipei Medical University

October 2014 - June 2017

Education

Doctor of Philosophy in Psychology (Department of Psychology)

University of Hong Kong

- 2023

Master of Social Sciences in Applied Psychology (Department of Social Sciences)

City University of Hong Kong

- 2014

Bachelor of Business Administration in Marketing (School of Business)

The Hang Seng University of Hong Kong

- 2012

Certifications

• Certification details not provided.

Publications

JOURNAL ARTICLE

Calvin Lam, Longdi Xian, Rong Huang, Jie Chen, Kit Ying Chan, Joey W. Y. Chan, Steven W. H. Chau, Ngan Yin Chan, Shirley Xin Li, Yun-Kwok Wing, et al. (2026). Deep learning for detecting depression in individuals with and without alexithymia . Communications Medicine.

Calvin Lam, Jie Chen, Kit Ying Chan, Joey W.Y. Chan, Ngan Yin Chan, Shirley Xin Li, Bei Huang, Yun Kwok Wing, Tim M.H. Li (2025). Identifying multimodal digital features of insomnia using an app in Hong Kong: An ecological momentary assessment study . Sleep Medicine.

Lam, C., Chan, C.S.(2025). Non-Apathetic Neutrality Exacerbates Dehumanization and Violence in Online Environments: a Text Mining and Machine Learning Study . Applied Research in Quality of Life. 20. (3). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 1037-1055.

Calvin Lam, Branda Yee‐Man Yu, Christian S. Chan (2024). All we need is love? Irreconcilable political incongruence in families after the 2019 social unrest in Hong Kong . Political Psychology.

Yu, B.Y.-M., Lam, C., Chan, C.S.(2024). All we need is love? Irreconcilable political incongruence in families after the 2019 social unrest in Hong Kong . Political Psychology. 45. (3). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 643-665.

(2024). All we need is love? Irreconcilable political incongruence in families after the 2019 social unrest in Hong Kong . POLITICAL PSYCHOLOGY.

(2024). A text mining and machine learning study on the trends of and dynamics between collective action and mental health in politically polarized online environments . JOURNAL OF COMPUTATIONAL SOCIAL SCIENCE.

Lam, C., Chan, C.S.(2024). A text mining and machine learning study on the trends of and dynamics between collective action and mental health in politically polarized online environments . Journal of Computational Social Science.

(2021). Time-dependent association between mass protests and psychological distress on social media: a text mining study during the 2019 anti-government social unrest in Hong Kong . Journal of Affective Disorders.

Calvin Lam and Min-Huey Chung(2021). Dose–response effects of light therapy on sleepiness and circadian phase shift in shift workers: a meta-analysis and moderator analysis . Scientific Reports. 11. (1). Springer Science and Business Media {LLC}

Lam, C., Chan, C.S., Hamamura, T.(2021). Time-dependent association between mass protests and psychological distress on social media: A text mining study during the 2019 anti-government social unrest in Hong Kong . Journal of Affective Disorders. 291. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 177-187.

(2021). A Meta-Analysis of the Effect of Interpersonal and Social Rhythm Therapy on Symptom and Functioning Improvement in Patients with Bipolar Disorders . APPLIED RESEARCH IN QUALITY OF LIFE.

Lam, C., Chung, M.-H.(2021). Dose–response effects of light therapy on sleepiness and circadian phase shift in shift workers: a meta-analysis and moderator analysis . Scientific Reports. 11. (1).

(2021). Dose-response effects of light therapy on sleepiness and circadian phase shift in shift workers: a meta-analysis and moderator analysis . SCIENTIFIC REPORTS.

(2021). Time-dependent association between mass protests and psychological distress on social media: A text mining study during the 2019 anti-government social unrest in Hong Kong . JOURNAL OF AFFECTIVE DISORDERS.

Lam, C., Chung, M.-H.(2021). A Meta-Analysis of the Effect of Interpersonal and Social Rhythm Therapy on Symptom and Functioning Improvement in Patients with Bipolar Disorders . Applied Research in Quality of Life. 16. (1). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 153-165.

(2019). A meta-analysis of the effect of interpersonal and social rhythm therapy on symptom and functioning improvement in patients with bipolar disorders . Applied Research in Quality of Life.

(2018). Influence of new hire transition workload on insomnia in nurses . International Journal of Nursing Practice.

Chang, Y., Lam, C., Chung, M.-H.(2018). Influence of new hire transition workload on insomnia in nurses . International Journal of Nursing Practice. 24. (5).

(2018). Influence of new hire transition workload on insomnia in nurses . INTERNATIONAL JOURNAL OF NURSING PRACTICE.

(2017). Seasonal variations in sleep disorders of nurses . Journal of Clinical Nursing.

(2017). Seasonal variations in sleep disorders of nurses . JOURNAL OF CLINICAL NURSING.

Chang, Y., Lam, C., Chen, S.-R., Sithole, T., Chung, M.-H.(2017). Seasonal variations in sleep disorders of nurses . Journal of Clinical Nursing. 26. (7-8). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 1085-1094.

(2016). Text mining of journal articles for sleep disorder terminologies . PLOS ONE.

(2016). Text Mining of Journal Articles for Sleep Disorder Terminologies . PLOS ONE.

Lam, C., Lai, F.-C., Wang, C.-H., Lai, M.-H., Hsu, N., Chung, M.-H.(2016). Text mining of journal articles for sleep disorder terminologies . PLoS ONE. 11. (5).

CONFERENCE PRESENTATION

Calvin Lam, Christian S. Chan (2023). Text mining psychological distress in online forums during the 2019 social unrest in Hong Kong. AASP Conference 2023.

Calvin Lam, Christian S. Chan (2022). Non-apathetic political neutrality exacerbates violence and mental health problems: triangulating online and offline data. EASP meeting: deeply divided societies: social psychological processes and theorising.

(2018). An overview of Confucius ethics in business management: text mining of journal articles during 1999–2016 . Global Marketing Conference.

7. Lam, C., Tang, F., & Eric, C. (2018). Habit formation process of in-game advertising on unconsciously activated behavior. Paper presented at the IMDA 27th Annual World Business Congress at Hong Kong.

CONFERENCE POSTER

Lam, Calvin, Chan, Zero, Chung, Min-Huey(2022). The Improvement on the Interviewing Skills Using Text Mining Techniques in Nursing Students. Sigma's 33rd International Nursing Research Congress.

Chung, M. H., & Lam, C. (2017). Dose-response of light therapy on sleep phase-shift in shift workers: meta-analysis. Proceedings of the Sigma Theta Tau International’s 28th International Nursing Research Congress, Dublin, Ireland. Abstract #82760 .

CONFERENCE PAPER

Calvin Lam and Felix Tang (2012) ,"Mitigating the Negative Effects of Violent Video Game: a Perceived Invulnerability Explanation", in AP - Asia-Pacific Advances in Consumer Research Volume 10, eds. , , and , Duluth, MN : Association for Consumer Research, Pages: 135-137 .