Johnny Liu
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Projects
  • Network Analysis on AWS EMR
    Distributed graph pipeline on AWS EMR, turning 2.4M Twitter edges into a low-latency Flask API and React dashboard.
  • Semi-Supervised Anomaly Detection
    Semi-supervised ensemble of six detectors over temporal features, lifting heavy-truck fault detection by 70% AP.
  • EEG-to-Image Generation
    Diagnosed and repaired an EEG-conditioned diffusion pipeline, lifting 50-way generative accuracy from 0.02 to 0.94.
  • Influential Factors of Blood Pressure
    Multiple linear regression on NHANES survey data, quantifying the demographic drivers of systolic blood pressure.
  • Forecasting 2025 Federal Election
    Post-stratified logistic regression over survey and census data, forecasting vote shares for the 2025 Canadian election.
© 2026 | Johnny Liu