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Slice model #6260

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Slice model #6260

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@trivialfis trivialfis commented Oct 19, 2020

This PR is meant the end the confusion around best_ntree_limit and unify model slicing. We have multi-class and random forests, asking users to understand how to set ntree_limit is difficult and error prone.

Close #5531 Close #4052.

  • Implement the save_best option in early stopping.

@trivialfis trivialfis marked this pull request as draft October 19, 2020 18:21
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Closing to avoid spam.

@trivialfis trivialfis closed this Oct 21, 2020
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Removing trees from a model [feature proposal] Load best model after early stopping
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