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Oldbutnew 3 points ago +3 / -0

Quite possible. Anyone who knows anything about modelling can tell you that in most situations, the preparers pick the answer they want, and then choose the inputs/assumptions they need to get to their answer.

That’s why you need to back-test models. Back-testing is checking to see, using foresight, whether the models actually predicted anything.

Modelling is the new Tarot card reading or astrology being purported by snake-oil salesmen wearing lab coats.