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The calculus of probabilities according to Poincaré | Tangente
Poincaré is rarely associated with the calculus of probabilities. And yet his writings and teaching reveal much about his work and thinking on the subject. Although he did not revolutionize probability theory, he deserves credit for asking the right questions.

Statistical mixture models explained | Tangente
How can we estimate a model's parameters from a sample whose members come from several different subpopulations that have been mixed together, when information about which one each belongs to has been lost? Several methods are available, depending on the requirements and assumptions, including the famous EM algorithm.

RAND function: random number generation in spreadsheets | Tangente

Board games and chance: the maths of dice | Tangente
What role does chance play in a board game? It can vary widely, ranging from total dominance, where players have no say at all, to complete absence. Between the two extremes, the strategies of many games rely on optimizing probabilistic principles.
