docstr: Get the decision from this node to a child node.
  
  Parameters
  ----------
  child: Node
      A child node of this node.
  
  Returns
  -------
  dict: A dictionary that describes how to get from this node to the
  child node.
docstr_tok: ["Get","the","decision","from","this","node","to","a","child","node",".","Parameters","--","--","--","--","--","child",":","Node","A","child","node","of","this","node",".","Returns","--","--","--","-","dict",":","A","dictionary","that","describes","how","to","get","from","this","node","to","the","child","node","."]
code: def get_decision(self, child, is_missing=False):
      """
      Get the decision from this node to a child node.
  
      Parameters
      ----------
      child: Node
          A child node of this node.
  
      Returns
      -------
      dict: A dictionary that describes how to get from this node to the
      child node.
      """
      # Child does exist and there is a path to the child.
      value = self.value
      feature = self.split_feature_column
      index = self.split_feature_index
  
      if not is_missing:
          if self.left_id == child.node_id:
              if self.node_type in ["float", "integer"]:
                  sign = "<"
              else:
                  sign = "="
          else:
              if self.node_type in ["float", "integer"]:
                  sign = ">="
              else:
                  sign = "!="
      else:
          sign = "missing"
          value = None
  
      return {
          "node_id": self.node_id,
          "node_type": self.node_type,
          "feature": feature,
          "index": index,
          "sign": sign,
          "value": value,
          "child_id": child.node_id,
          "is_missing": is_missing,
      }
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  from turicreate.util import _raise_error_if_not_of_type
  from turicreate.toolkits._internal_utils import _numeric_param_check_range
  import sys
label_desc: Use image node_id 3 for calling the Node obj's underlying member method code with example usage: obj.get_decision(child, is_missing) and returns: dict