[scikit-learn] GradientBoostingRegressor, question about initialisation with MeanEstimator

[Алексей Драль]

Hi there,

I recently found out that GradientBoostingRegressor uses MeanEstimator for
the initial estimator in ensemble. Could you please point out (or
explain) to the research showing superiority of this approach compared to
the usage of DecisionTreeRegressor?

-- 
Yours sincerely,
Alexey A. Dral
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