Making a problem harder to make it easier

I had this tweet appear in my timeline Okay, the top answer to this turns out to be incredibly interesting: https://t.co/rcMcmTEQ87 pic.twitter.com/Pl8wFfgOfy — Clive Thompson (@pomeranian99) August 7, 2017 Which links through to a quora discussion about the internet formulation of z/(x+y) + y/(x+z) + x/(y+z) = 4 and an example image of With the… Continue reading Making a problem harder to make it easier


Births again

Since I had previously played with NZ birth data, so had a bunch of code lying around https://thoughtfulbloke.wordpress.com/2016/05/21/new-zealand-births-and-friday-the-13th/ and Scientific America published some visualisations https://blogs.scientificamerican.com/sa-visual/why-are-so-many-babies-born-around-8-00-a-m/ I thought I would match the time of year visualisation with the New Zealand data Because New Zealand has opposite seasons, but a seasonality that is more similar to the… Continue reading Births again

R · Uncategorized

A modest proposal- coloured confidence intervals

I am of the opinion that confidence intervals should be shown as a range, and coloured/ shaded bands are a good way to show it. They are a probability distribution after all (but you can’t make histogram because it disappears to invisibility after 3 sigma, so bands seems the best plan). Admittedly, I am trying… Continue reading A modest proposal- coloured confidence intervals


When I said stupid people shouldn’t vote, I didn’t mean me

In the wake of the Brexit Referendum a few people vented their frustration that people should have to show a basic competency with the electoral system, with various media anecdotes. That may not be such a good idea folks. Aside from fundamental constitutional democratic principles that should not be messed with, you might get a… Continue reading When I said stupid people shouldn’t vote, I didn’t mean me


Speed bumps

From  a discussion in StatsChat http://www.statschat.org.nz/2016/02/21/crushing-and-crashing/ Where it was wondered about the way that the 2011 earthquake’s effect on road conditions might influence people street racing cars. Taking the Road Policing driver offence data http://www.police.govt.nz/about-us/publication/road-policing-driver-offence-data-january-2009-september-2015 and the date of the Canterbury Earthquake of 22nd February 2011, let’s see if “Did the munted roads alter speeding behaviour”… Continue reading Speed bumps