David Hardage
Senior Analytics Engineer in Texas. I build data visualizations and write about tech, economics, and data.
Featured Project
cinemetrics↗
Eight years of film-watching, end to end
A full analytics pipeline over my own Letterboxd history. I enrich the ratings from the TMDB and OMDb APIs, model them in DuckDB with dbt, and serve the result as a static cross-filtered dashboard with an ML recommendation engine. Every stage runs in a CI runner or in your browser, avoiding the need for an application server or a hosted database.
- Every chart responds to every filter in real time and every view generates a shareable URL.
- Guided stories surface a finding in one tap. Each one filters the charts and annotates what they show.
- The recommendation engine ranks candidates by cosine similarity to a taste vector built from my ratings, then explains why each one surfaced.
- A GitHub Action pulls new ratings every day, retrains the embeddings, and redeploys.
More Projects
Capital Flow Cityscape↗
A 3D cityscape where buildings represent financial securities and capital flows become visible paths through a living city. Unique city every page load.
UrbanStack↗
Multi-layer urban data platform combining transportation, infrastructure, walkability, and demographic data for major US cities.
World Cup 2026↗
Interactive map exploring where every player was born versus which national team they represent.
Coach's Challenge↗
NFL coaching decision quality analyzer — grades play-calling against 27 years of EPA-optimal baselines.