NZ Car Auctions, Part 3: Predicting Prices With XGBoost
A small side project that evolved from a simple daily crawler into a price prediction tool for New Zealand insurance auctions.
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5 posts since 2024
— 2024
NZ Car Auctions, Part 2: Analytics With Zero Servers
What 1,100 days of NZ salvage auctions reveal, and how FindCars NZ serves interactive charts and a free JSON API from a purely static site.
NZ Car Auctions, Part 1: Building a 660,000-Record Dataset
How a small daily crawler pointed at New Zealand's insurance auctions grew into a three-year, 660,000-record public dataset.
The Sensor Was Already in the Headset
Three years of strapping sensors to people, and the signal was in the hand tracking the whole time. How you reach says something about your cognitive load.
165 Hours of Feeling Sick
Every model for VR motion sickness was trained on under two hours of video. The fix was not a better model, it was patching 100 commercial games.