These are extra datasets that aren't in the main dataset folder, but might be useful for teachers. This is from the 2025 set of extra data
These can be accessed from the extradata folder: https://grapher.nz/?folder=extradata
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/
Variable & 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
This data is sourced from https://sealevel.nasa.gov/ and covers through to the end of 2024.
Variable & 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: https://www.nasa.gov/missions/jason-cs-sentinel-6/sentinel-6-michael-freilich/nasa-analysis-shows-unexpected-amount-of-sea-level-rise-in-2024/
This dataset is a random sample of cars collected from TradeMe on 21st March 2025 of cars that were listed on that day.
Variable & 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
All the information for this dataset can be found here.
This sheet has raw data, as well as some combined data from multiple sources. This allows the data to be used for multivariate, bivariate and time series investigations.
The combined data isn't an exhaustive way to combine the data, so there might be other ways you could do it as well.