def summary(self):
        raise NotImplementedError()
Recursively display a node and each of its children.
dataset/ETHPy150Open HHammond/kcbo/kcbo/statistical_tests/utils.py/StatisticalTest.summary--crossover with--dataset/ETHPy150Open googleads/googleads-python-lib/examples/adwords/v201601/shopping/add_product_partition_tree.py/DisplayTree