Retrospectively changing the law should NEVER be allowed. I know a couple of such changes have happened, but the whole idea stinks. (View Post)

That sounds good: is the recipe as obvious as it sounds or would I need to look it up? (View Post)

I would try an exponential decay model, but then I’m a Physics teacher and exponential decay models is almost our default model... (View Post)

Well, I did have someone get pretty close to me today who was wearing a mask, but it would have been pretty difficult for her to give me my immunotherapy treatment from 2m... (View Post)

In this case though median gives a much better picture than mean: it’s a bit like half-life for radioactive decay. Calculating the average life of a carbon 14 atom would give a very misleading number. (View Post)