Tag: statistics

Stats, nothing but stats

When I’m looking for inspiration for a post, I occasionally wander through the ABS website. If you’ve never tried it – have a look! It’s amazing what you can find there. So the Actuaries Digital editorial team asked me when I was going to post about the census. Sadly the ABS’ official release date of…

The latest statistics on public and private schools

I’ve been challenged by my fellow blogger Geek in Sydney to write about the recent public and private school data from the ABS. The Sydney Morning Herald reported yesterday that the Exodus from public to private schools stops. They report, According to new data from the Australian Bureau of Statistics released on Thursday, 65.2 per cent of Australian students attended…

A cycling update

Last year, after a spate of cycling deaths, I posted about the riskiness of cycling in Sydney. I concluded that cycling Sydney’s streets is actually safer than it was 20 years ago. Since then, I’ve gone back to a regular commute – I’m cycling to work two or three times a week at the moment.…

Quick hit: Bayesian Statistics

Bayseian probability seems quite obvious once it is explained, but it is incredibly counterintuitive. Using Bayesian methods is one of the “thinking slow” methods that Daniel Kahneman in Thinking Fast and Slow identifies – very few people can do it intuitively. So via Barry Ritholtz, here is a great example of why it matters from Nature:…

Book Review: The Signal and the Noise, by Nate Silver

The Signal and the Noise: Why So Many Predictions Fail — but Some Don’t, by Nate Silver. Nate Silver is now an election blogger for the New York Times, but started out doing baseball statistics in his spare time while working for KPMG. That became PECOTA, a system for forecasting the performance and career development of Major League Baseball players. In…