Posts by Collection

portfolio

Computer Vision Classification of Breast Cancer Tumors via Deep Learning

Binary and multi-class tumor classification using transfer learning (ResNet152) with PyTorch — strong accuracy on both binary and 6-class tasks.

Statistical Simulation: Importance of Luck, Talent, Risk Seeking, & Initial Capital in Life

Hierarchical simulation & R Shiny app studying how luck, talent, risk preferences, and starting capital affect lifetime capital and success. Includes 29 animated visualizations and stepwise nonlinear regression analysis.

World Olympics Animated Tableau Dashboard

Interactive Tableau dashboard visualizing Olympics and GDP data — 270k+ rows and dynamic selectors for rich exploration.

publications

Effect of cognitive reserve on age of symptom onset and rate of cognitive decline in Dominantly Inherited Alzheimer’s Disease

Published in Neurology (Provisionally Accepted), 2025

This paper examines how cognitive reserve affects symptom onset and disease progression in Dominantly Inherited Alzheimer's Disease.

Recommended citation: Llibre-Guerra, J., Lu, R., Clarens, M. F., Liu, I., Renton, A., Ryan, N., Goate, A., Aguillon, D., Allegri, R. F., Benzinger, T., Berman, S., Chhatwal, J., Chrem, P., Vigo, G., Cruchaga, C., Day, G., Farlow, M., Fox, N., Gordon, B., Hassenstab, J., Huey, E., Ibanez, L., Ikeuchi, T., Jucker, M., Lee, J-H., Levey, A., Levin, J., Martins, R., Niimi, Y., Perrin, R., Rosa-Neto, P., Sanchez-Valle, R., Schofield, P., Wang, G., Li, Y., Xiong, C., Morris, J., Karch, C., Daniels, A., McDade, E., & Bateman, R. (2025). Effect of cognitive reserve on age of symptom onset and rate of cognitive decline in Dominantly Inherited Alzheimer's Disease. Neurology. (Provisionally Accepted).

Optimizing Harmonized Cortical Morphometric Graph Neural Networks (GNN) For Identifying Risk of Alzheimer’s Disease

Published in Alzheimer's Association International Conference (AAIC), 2025

Poster presentation on optimizing harmonized cortical morphometric GNNs for Alzheimer's disease risk prediction.

Recommended citation: Liu, I., Guo, E., Sathu, H., Rudolph, M. D., Bateman, J. R., Hughes, T. M., Craft, S., Metin, G., Luo, S., & Ma, D. (2025). Optimizing Harmonized Cortical Morphometric Graph Neural Networks (GNN) For Identifying Risk of Alzheimer's Disease. Poster presented at the Alzheimer's Association International Conference (AAIC).

Explainable harmonized cortical graph neural networks for risk prediction of Alzheimer’s disease

Published in SPIE Medical Imaging 2026 (Submitted), 2026

Paper on explainable GNN methods for Alzheimer's disease risk prediction submitted to SPIE Medical Imaging 2026.

Recommended citation: Liu, I., & Ma, D. (2026). Explainable harmonized cortical graph neural networks for risk prediction of Alzheimer's disease. Paper submitted to SPIE Medical Imaging 2026.

teaching

Chinese Tutor

Tutoring, Online, 2020

Tutored and taught Mandarin/Chinese (Traditional) online for a beginner.
Content included introduction to the 注音 (Zhuyin or Bopomofo) system, other basic characters, as well as guidance on writing them.

English Tutor

Tutoring, Online, 2020

Taught English online weekly to an English as a Second Language (ESL) student.
Content included English grammar, vocabulary, reading comprehension, speaking and listening, accent correction, words of speech, writing paragraphs, verb tenses, book reports, etc.

Teaching Assistant for PHP2506: Biostatistics for Public Health Research

Graduate Course, Brown University, 2024

Graded assignments, hosted labs & office hours for 21 students
Covered topics such as hypothesis testing, regression, ANOVA, Stata, etc.

Teaching Assistant for PHP2560: Statistical Programming with R

Graduate Course, Brown University, 2025

Hosted office hours with co-TA
Graded midterm exams, midterm projects, pre-class notebooks, lab notebooks, assignments, etc.

Ian Liu