Class Node

demo/guide-python/model_parser.py:38–51

@dataclass
class Node:
    # properties
    left: int
    right: int
    parent: int
    split_idx: int
    split_cond: float
    default_left: bool
    split_type: SplitType
    categories: List[int]
    # statistic
    base_weight: float
    loss_chg: float
    sum_hess: float


class Tree: