Technical Notes

Technical notes from research, coding, and computational problem-solving.

01

Algorithms & Modeling

Map Matching: Reading List 2024 Curated references on HMM-based map matching for GPS data.
Bayesian Optimization with PyMC: Common Errors 2024 Import pitfalls and tensor conversion errors when using PyMC.

02

Data Engineering

Map-Matching Samples 2025 Interactive maps of map-matched trajectory samples.
Complete Trip Samples 2025 Interactive maps of sample multimodal complete trips.
Speeding Up Pandas Without For-Loops 2024 Vectorized alternatives to slow row-by-row loops.

03

Research Computing

Setting Up Apache Spark in a Conda Environment 2024 Java, Hadoop, and Spark environment variables and winutils troubleshooting.

04

Visualization & Tools

Geo Visualization Tools 2024 Mapshaper, kepler.gl, and Flowmap for spatial data visualization.