Spotted in this morning’s Metro:
Nasa has contributed £250million to SpaceX’s £760billion program.
This is misleading, because it looks like Nasa contributed this much (in blue):
where in fact they contributed this much (again, in blue):
I’m not the first one to get frustrated by […]
(alternate title: What’s a hazard ratio?)
Today I was faced with the not-entirely-straightforward task of explaining what a hazard ratio is. It’s a measure that pops up quite a lot in epidemiological statistics, when you’re conducting a study into survival times. It’s not immediately obvious, however, what it is, and when faced with […]