How does Random Forest relate to martingale theory in sequential prediction?
Updated May 17, 2026
Short answer
RF ensemble averaging can be interpreted as stabilizing a sequence of weak predictors similar to martingale averaging.
Deep explanation
Although Random Forest is not inherently sequential, predictions from increasingly larger ensembles form a stochastic process. Under certain constructions, the incremental prediction updates can behave like a martingale difference sequence where expectation of future error given past models is zero. This helps explain stability and convergence of ensemble predictions.
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