Hi,
What does “num_boosting_rounds” mean? Is one tree added in each round? Suppose N rounds are specified, will there be N trees after the N rounds?
Hi,
What does “num_boosting_rounds” mean? Is one tree added in each round? Suppose N rounds are specified, will there be N trees after the N rounds?
That is correct. XGBoost works as an additive model, every iteration will add a new tree that is trained on the gradients of the current ensemble.