new_tree_summary: Constructor for tree_summary class

In qshap: Fast Calculation of Feature Contributions in Boosting Trees

Constructor for tree_summary class

Description

Creates a tree_summary object with validation

Usage

new_tree_summary(
  children_left,
  children_right,
  feature,
  feature_uniq,
  threshold,
  max_depth,
  sample_weight,
  init_prediction,
  node_count,
  default_left = NULL,
  xgboost_split = FALSE
)

Arguments

children_left	Integer vector of left child indices
children_right	Integer vector of right child indices
feature	Integer vector of feature indices
feature_uniq	Integer vector of unique feature indices used in tree
threshold	Numeric vector of threshold values
max_depth	Integer maximum depth
sample_weight	Numeric vector of sample weights per node
init_prediction	Numeric vector of initial predictions per node
node_count	Integer total number of nodes
default_left	Logical vector indicating the missing-value direction.
xgboost_split	Logical; use XGBoost float32 strict-less routing.

Value

An object of class tree_summary

qshap documentation built on Aug. 23, 2026, 5:11 p.m.