Geometric and harmonic means in ensembling methods

datascience.stackexchange https://datascience.stackexchange.com/questions/30757

题

When using ensembling methods for regression, a common approach is to average (using the arithmetic mean) the outputs of the weak learners in order to obtain the output of the ensemble. Is there a reason why the average that people take is the arithmetic mean? Why not performing a geometric or harmonic mean?

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