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Millions and billions

"Nasa has contributed £250million to SpaceX's £760billion program."

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 […]

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I can hazard cheezburger?

(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 […]

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