Stacking beat my best model in one setup and was useless in another. Plain voting lost both times.
I ran a controlled test (sklearn, repeated 5-fold CV) comparing stacking, voting, and the best single model, using two sets of base models: diverse vs. correlated. Short version: whether stacking helps comes down to one thing you can check in a single line of code. In one setup, it cost ~35x the tr…
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- 2026-10-22 03:59 · r/learnmachinelearning
Stacking beat my best model in one setup and was useless in another. Plain voting lost both times.