docstr: Return the prediction of the node.
docstr_tok: ["Return","the","prediction","of","the","node","."]
code: def predict(self) -> base.typing.RegTarget:
      """Return the prediction of the node."""
      return self.mean.get()
  
imports: from __future__ import annotations
  import collections
  import math
  from river import base, stats
  from river.tree.base import Branch, Leaf
  from river.utils.math import log_sum_2_exp
label_desc: Use image node_id 3 for calling the MondrianNodeRegressor obj's underlying member method code with example usage: obj.predict() and returns: self