Extra Datasets
These are extra datasets that aren't in the main dataset folder, but might be useful for teachers.
These can be accessed from the extradata folder: https://grapher.nz/?folder=extradata
ANZ Truckometer
ANZ Monthly Publishes monthly data on traffic volume data from around the country. You can read more here: https://www.anz.co.nz/about-us/economic-markets-research/truckometer/
Field | Description |
Month | Month the data is for |
ANZ heavy traffic index | Heavy traffic data (mostly trucks) - raw data |
ANZ light traffic index | Light traffic (motorbikes, cars and vans) - raw data |
This data is up to February 2025 (Released March 2025) - March 2025 Report
Average Sea Level
This data is sourced from https://sealevel.nasa.gov/ and covers through to the end of 2024.
Field | Description |
Month | The month the data is for |
Average of GMSL | The Global Mean Sea Level average for the month (Global Isostatic Adjustment (GIA) applied) variation (mm) with respect to 20-year TOPEX/Jason collinear mean reference. The data has been averaged across the month from the original raw data. |
There is a article that may be useful for students as well:
TradeMe Cars
This dataset is a random sample of cars collected from TradeMe on 21st March 2025 of cars that were listed on that day.
Field | Description |
Year | Model year of car |
Make | The make of the car |
Model | The model of the car |
Full Description | The full TradeMe description of the car |
Odometer | How far the car has driven |
Body Style | Style of car |
Seats | Number of seats in the car |
Fuel Type | Type of fuel the car uses |
Engine Size | Engine size of the car (bank for electric cars) |
Transmission | Is the car manual, automatic or tiptronic |
Colour | Colour of the car |
Fuel Efficiency | Fuel Efficiency of the car (L/100km) |
Carbon Emissions | Carbon emissions of the car (grams/km) |
Asking Price | Asking price of the car, if blank it was an auction, so no asking price. |
On Road Costs | Are on-road costs included |
Link | Link to the auction |
Listing | Listing Number |