Left, Right and Climate Change

In the wake of the singularly unproductive COP15 Climate Change conference in Copenhagen, I have been reflecting on the polarisation of views on climate change along political lines. Whether or not human activity is leading to climate change is a question of scientific fact: it is either happening or it is not. So knowing someone’s […]

Deceptive Charts #2

Last month I wrote about the dangers of secondary axes, but even charts with a single axis can be deceiving. I have been reflecting on this after reading Jon Peltier’s critique of Microsoft’s “professional” charting tutorials earlier this week. One of the charts Peltier takes issue with is a column chart which has the value […]

Hot and Dry Days Ahead for Australia

Earlier this month, the Australian Bureau of Meteorology released the October figure for the Southern Oscillation Index (SOI). It showed a precipitous plunge of almost 20 points down to -14.6. Just how significant a drop this is can be seen in the chart below, which shows the distribution of monthly changes in the SOI going […]

Melbourne Cup by Numbers

I don’t know anything about horses. Ever since I was bitten by one at the Easter Show as a small child, they have ranked very low on my animal preference list: only just above geese. Still, at this time of year almost everyone in Australia gets caught up in some way with the Melbourne Cup, […]