Posts tagged open-data.

11 posts · all tags

DateTitleTagsMark
2026-07-05 I Parsed Every Law New Zealand Has Ever Passed
38,064 XML files, 241,456 amendment events, the oldest from 1872. What the entire NZ statute book looks like as data, and why counting 'a change' turned out to be the hard part.
 data open-data new-zealand
2026-06-19 The Fastest Repealers in the West
In 2025 Parliament sat 644 hours and spent a third of them in urgency. The churn isn't a personality flaw. We built the company this way.
 data open-data new-zealand
2026-06-12 Six Years, $228 Million, Zero Metres of Track
Auckland Light Rail: six years, $228 million, zero metres of track. A running tally of what changing our minds costs.
 data open-data new-zealand
2026-04-23 Three Ways to Look at Time
ST-ResNet decomposes crime patterns into three temporal scales and models each one separately. Clever architecture, but does it actually help with only four years of NZ data?
 data machine-learning open-data
2026-04-16 Teaching a Neural Network to Watch Crime Like Video
ConvLSTM was built for weather radar. Turns out predicting crime on a grid is basically the same problem. Here's how it works and what it learned.
 data machine-learning open-data
2026-04-09 Can You Beat Last Month?
Before deep learning gets a chance, we need to know how well stupid-simple models perform. Turns out, they put up a real fight.
 data machine-learning open-data
2026-04-02 What the Data Actually Shows
Before throwing deep learning at Auckland crime data, you need to actually look at it. Seasonal patterns, spatial hotspots, and the sparsity problem.
 data machine-learning open-data
2026-03-26 Crime as Video
Turn a million geo-tagged crime records into a 4D tensor by overlaying a 500m grid on Auckland. Crime prediction becomes video prediction.
 data machine-learning open-data
2026-03-26 Giving Crime a Place on the Map
Crime records come with names and codes but no coordinates. Here's how we joined 1.15 million records to Stats NZ boundary files and gave every crime a place in physical space.
 data machine-learning open-data
2026-03-26 Wrangling a Million Crime Records
NZ Police's crime dataset is publicly available, but it's UTF-16 encoded, full of trailing periods, and 32% of records don't know what time the crime happened. Here's how we cleaned it up.
 data machine-learning open-data
2026-03-24 Predicting Crime in Aotearoa
NZ Police publish over a million crime records openly. What happens when you point deep learning at them?
 data machine-learning open-data