[python][sklearn] add n_estimators_ and n_iter_ post-fit attributes
#4753
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StrikerRUS
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henry0312,
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jameslamb
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Nov 1, 2021
jameslamb
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Ease access to the real number of boosted iterations performed during the training.
n_estimators_is added to highlight the possible difference between initially passedn_estimatorsand the actual number of iterations.n_iter_is added to mimicHistGradientBoosting[Regressor/Classifier]interface.https://scikit-learn.org/stable/modules/generated/sklearn.ensemble.HistGradientBoostingRegressor.html#sklearn.ensemble.HistGradientBoostingRegressor.n_iter_