Tagged: statistics

How a random sampling regime could help detect COVID and highlight infection hotspots - COVID-19

Guest Author Oct 15, 2021

Stephen John Haslett, Massey University and Richard Arnold, Te Herenga Waka — Victoria University of Wellington   For the detection of community transmission of COVID-19, New Zealand currently relies on contact tracing, testing of self-selected people with symptoms and those with permission to travel between different alert levels, and surveillance testing of staff at businesses permitted to … Read More

Side-Stepping Safeguards, Data Journalists Are Doing Science Now - Guest Work

Guest Author May 01, 2021

By Irineo Cabreros News stories are increasingly told through data. Witness the Covid-19 time series that decorate the homepages of every major news outlet; the red and blue heat maps of polling predictions that dominate the runup to elections; the splashy, interactive plots that dance across the screen. As a statistician who handles data for a living, I … Read More

Blood clots, vaccines and the need for baselines - Code for life

Grant Jacobs Mar 15, 2021

Some nations are pausing their AstraZeneca COVID-19 vaccine campaigns over concerns that it may be linked to blood clots. International media is is reporting it widely. I’m seeing concerned people asking questions on social media. Evidence so far indicates this is unlikely to be a real issue, but one that is being checked out of caution. One thing it illustrates … Read More

Now everyone’s a statistician. Here’s what armchair COVID experts are getting wrong - COVID-19

Guest Author Sep 14, 2020

Jacques Raubenheimer, University of Sydney If we don’t analyse statistics for a living, it’s easy to be taken in by misinformation about COVID-19 statistics on social media, especially if we don’t have the right context. For instance, we may cherry pick statistics supporting our viewpoint and ignore statistics showing we are wrong. We also still need to correctly interpret these … Read More

Education departments are weird - The Dismal Science

Eric Crampton Aug 11, 2020

So our Joel Hernandez has completed some more work on what’s all going on in New Zealand’s school system and an Auckland Uni education prof is mad about it.  Oh well. Joel’s long term project has been to look at differences in outcomes across students and schools, using the administrative data held in the StatsNZ data lab … Read More

Just how widespread is Covid-19 in people with no symptoms? - Infectious Thoughts

Siouxsie Wiles Apr 22, 2020

Did you hear about the testing of the general population in Iceland for Covid-19 that found that half of the people who tested positive didn’t have any symptoms? When I heard that, the first thing I thought was: shit, there are heaps of people walking around spreading Covid-19! And they don’t even know it, aaargh! I had a similar … Read More

Counting Barretts - Physics Stop

Marcus Wilson Oct 23, 2019

Just in case you don’t have a seven-year-old boy in your house (in which case this will be obvious) a well-known brand of breakfast cereal here in NZ is currently coming with All-Blacks stats cards. Perfect for finding out your favourite rugby player’s height, number of caps, and how much they can eat for breakfast. Buy a family pack and … Read More

The IDI and government data linking - The Dismal Science

Michael Reddell Oct 09, 2018

Browsing on The Treasury’s website the other day, it was the title that caught my eye: “Talkin’ about a revolution”.   I’m rather wary of revolutions.  Even when –  not always, or perhaps even often –  good and noble ideas help inspire them, the outcomes all too often leave a great deal to be desired.   There are various, … Read More