我测试了一下，至少在Python下只有train函数中的num_boost_round才能控制迭代次数，params中的num_iteratio...
num_boost_round的别名num_trees，即同一参数。
num_boost_roundandearly_stopping_roundsin xgboost.train() API#4909 Closed wyd1582opened this issueOct 1, 2019· 23 comments· Fixed by#4929 num_boost_roundandearly_stopping_roundsin xgboost.train() API#4909 wyd1582opened this issueOct 1, 2019· 23 comments· Fixed by#4929 ...
type=int, alias=num_iteration, num_tree, num_trees, num_round, num_rounds number...