Figure 2.

The gradient boosting training process. The horizontal axis shows the number of boosting iterations (number of trees). The vertical axis shows the accuracy. The maximum tree depth takes a value of 1, 3, 5 or 7.

The gradient boosting training process. The horizontal axis shows the number of boosting iterations (number of trees). The vertical axis shows the accuracy. The maximum tree depth takes a value of 1, 3, 5 or 7.