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Letters to the editor distribution

This is a composite pie cartogram of the suburbs of Adelaide showing where people live who wrote letters that appeared in The Advertiser. That’s is all there is for the short version. Now for the long version. This will be a commentary on data visualisation from my perspective, then a brief analysis of the actual […]

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Referendum voting across geography

In this article I look at how the vote in the 2023 Australian referendum varied geographically. Plenty of others have done this in the last few days so there mightn’t be much new information. I’ll leave the political side of things to others; this’ll be mostly just stats. If you’re reading this on a large […]

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Distribution of teams in Australian sporting leagues, relative to population

Here’s a map of Australia with the location of the eight teams in the Big Bash League (T20 cricket). Most of them are on one side of the country. Is this only due to the population distribution? We can consider this question by changing the map to a pie cartogram. A pie cartogram is a […]

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Pie cartograms

Scroll further down to see lots of examples. A cartogram is a map-like diagram. A common kind of cartogram is an area cartogram, where the area represents some quantity like population. The pie cartogram is a kind of area cartogram I created in 2015. Unlike some other area cartograms this does not retain topology or any of the original shape. […]

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Excess deaths, Australia, early 2022

My friend told me he’d heard Australia’s death rate this year has been abnormally high. Sure enough, the ABS reports here (lots of data here for those who want it):In 2022, there were 75,593 deaths that occurred by 31 May and were registered by 31 July, which is 10,757 (16.6%) more than the historical average. That included 4,465 […]

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Most of Australia is empty

Using 2021 Estimated Resident Population (2021 census isn’t out yet). Regions shown are Significant Urban Areas.

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Distance from CBD

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Adelaide’s grids

My home city of Adelaide has many of its main roads laid out in regular grids, unlike topographically constrained cities like Sydney and Brisbane. This article is viewable both on this site and on Mappage, my webapp for looking at statistics. If you’re reading this on a large screen, it’s best to read this article in […]

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Married but not married: marital status in the census

I had a few surprises looking at marital status in the 2016 Australian census, including the combination of the two different marital status variables. This article is viewable both on this site and on Mappage, my webapp for looking at statistics. If you’re reading this on a large screen, it’s best to┬áread this article in […]

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Aussie vaccine stats by geography

Tl;dr: Through spring 2021, the poorest areas in most states are 20% behind the least-poor areas in the vaccination rollout. Sorry, updates to Mappage have broken the visualisations for this article. The pandemic is one of those news topics with a lot of numbers that gives stats nerds like me things to follow and discuss. […]