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Outcry

Statistics

Probability asks what a known model produces. Statistics asks what model produced the data - and whether you're fooling yourself.

Regression & omitted-variable biasCrack the BotA rival algorithm is trading against you. Reverse-engineer its rule from the tape, then control for the confounders before you trust a t-stat.Play →Distributions & CLTRead the ShapeSix distributions, one histogram, and a clock. Name what's generating the data, then prove it with the moments.Play →Selection biasTwenty BacktestsTwenty strategies, one beautiful equity curve. Work out whether it's real edge or the best of twenty coin flips.Play →