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Hansamali PrasangikaHP
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Hansamali Prasangika

@hansamaliprasangika

Data Scientist at Clemson University who applied statistical modeling and machine learning to research, teaching, and complex datasets.

Sri Lanka
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At Clemson University, I taught undergraduate statistical computing in R and JMP and provided quantitative consulting on data preprocessing, statistical modeling, and debugging. I also mentored graduate students on technical reports and programming projects.

At the Faculty of Dental Sciences, University of Peradeniya, I analyzed clinical and biomedical research datasets using R and SPSS. I advised on study design, sample size, and analytical methods, and co-authored biomedical research publications.

At the Centre for Defense Research and Development, I developed a Python NLP pipeline to classify news and designed graph analytics and network clustering approaches for social media data. My work focused on extracting patterns from text and relationships.

My projects include estimating latent structures with EM and gradient-based optimization, analyzing spatial point processes, and modeling longitudinal housing data. I use statistical methods and machine learning to investigate complex datasets and evaluate model performance.

Experience

Work history, roles, and key accomplishments

Clemson University logoCU

Graduate Teaching Assistant

Jan 2023 - Jan 2026 (3 years)

Led technical instruction and taught undergraduate statistical computing (R, JMP), delivering quantitative consulting and hands-on guidance in data pre-processing, statistical modeling, and debugging. Mentored graduate students through complex technical reports and programming projects.

University of Peradeniya logoUP

Statistical Analyst / Temporary Lecturer

University of Peradeniya

Jan 2022 - Dec 2022 (11 months)

Executed advanced statistical analytics, regression modeling, and hypothesis testing in R and SPSS across clinical and biomedical research datasets. Delivered quantitative consulting on experimental study design, sample size determination, and analytical methodology, co-authoring biomedical research publications.

University of Peradeniya logoUP

Training Data Analyst

University of Peradeniya

Jan 2021 - Dec 2021 (11 months)

Executed end-to-end data cleaning and exploratory analytics in Python on multi-attribute graduate career trajectory datasets. Built dynamic visualization workflows and quantitative trend models to extract actionable insights regarding graduate employment outcomes and workforce alignment.

CD

Civil Researcher

Centre for Defense Research and Development

Jan 2021 - Dec 2021 (11 months)

Developed an automated NLP and news classification pipeline in Python, utilizing lexical analytics and supervised ML algorithms to categorize unstructured textual data streams. Designed an unsupervised graph analytics and network clustering framework using similarity metrics to map complex behavioral patterns and interaction dynamics across social media datasets.

Education

Degrees, certifications, and relevant coursework

Clemson University logoCU

Clemson University

Master of Science, Mathematical Sciences

2023 - 2025

Pursued a Master of Science in Mathematical Sciences with a concentration in Statistics, focusing on advanced statistical modeling and computational methods.

University of Peradeniya logoUP

University of Peradeniya

Bachelor of Science (Honours), Statistics

2017 - 2021

Grade: 3.51 out of 4.00

Earned a Bachelor of Science (Honours) in Statistics with a GPA of 3.51 out of 4.00, covering principal subject areas in Statistics, Computer Science, and Mathematics.

Tech stack

Software and tools used professionally

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