Internal wrapper for policy tree computation — .compute_policy

Internal function that wraps either policytree::policy_tree() or fastpolicytree::fastpolicytree() depending on user preference and package availability.

Usage

.compute_policy_tree(
  X,
  Gamma,
  depth,
  tree_method = "policytree",
  min_node_size = getOption("margot.policy_tree.min_node_size", 1L)
)

Arguments

X: Covariate matrix
Gamma: Matrix of doubly robust scores
depth: Integer depth of tree (1 or 2)
tree_method: Character string: "policytree" or "fastpolicytree"

Value

Policy tree object