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I have a friend who did his PhD studying Milankovitch cycles in the Netherlands. When he defended his thesis, his friends presented him with the "milankofiets"

I have a friend who did his PhD studying Milankovitch cycles in the Netherlands. When he defended his thesis, his friends presented him with the "milankofiets": a bicycle ("fiets", in Dutch) where the wheels were off-center, and the crown was elliptical (and also off-center). Biking it was very hard, and the speed would vary depending on the phase of each part of the bicycle.

AstralStorm 7y ago
Come on, historians like epicycles. Which would be a proper name for that riding implement in English. (Presuming it's the stationary one.) Anyway, we have math to prove any semistationary sequence can be broken down into a bunch of cyclical patterns "plus error". That says nothing about predictive value of that model.