因此推理DoWhyPython实现

2011年图灵奖获得者朱迪亚.珀尔DoWhy实现，实现者Shyamalschandra，实现语言Python。

import numpy as np
import pandas as pd
import logging

import dowhy
from dowhy.do_why import CausalModel
import dowhy.datasets


def regression（model identified_estimand）:
    causal_estimate_reg = model.estimate_effect（identified_estimand
    method_name=“backdoor.linear_regression“
    test_significance=True）
    print（causal_estimate_reg）
    print（“Causal Estimate is “ + str（causal_estimate_reg.value））


def stratification（model identified_estimand）:
    causal_estimate_strat = model.estimate_effect（identified_estimand
    method_name=“backdoor.propensity_score_stratification“）
    print（causal_estimate_strat）
    print（“Causal Estimate is “ + str（causal_estimate_strat.value））


def matching（model identified_estimand）:
    causal_estimate_match = model.estimate_effect（identified_

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2018-11-12 22:59  causal-inference-dowhy-master\
     目录           0  2018-11-12 22:59  causal-inference-dowhy-master\.ipynb_checkpoints\
     文件       79071  2018-11-12 22:59  causal-inference-dowhy-master\.ipynb_checkpoints\do_why_estimation_methods-checkpoint.ipynb
     文件      112533  2018-11-12 22:59  causal-inference-dowhy-master\.ipynb_checkpoints\loading-graphs-checkpoint.ipynb
     文件         465  2018-11-12 22:59  causal-inference-dowhy-master\README.md
     文件       43101  2018-11-12 22:59  causal-inference-dowhy-master\causal_model.png
     文件      123140  2018-11-12 22:59  causal-inference-dowhy-master\do_why_confounder_example.ipynb
     文件       79071  2018-11-12 22:59  causal-inference-dowhy-master\do_why_estimation_methods.ipynb
     目录           0  2018-11-12 22:59  causal-inference-dowhy-master\dowhy\
     文件           0  2018-11-12 22:59  causal-inference-dowhy-master\dowhy\__init__.py
     目录           0  2018-11-12 22:59  causal-inference-dowhy-master\dowhy\__pycache__\
     文件         138  2018-11-12 22:59  causal-inference-dowhy-master\dowhy\__pycache__\__init__.cpython-36.pyc
     文件         142  2018-11-12 22:59  causal-inference-dowhy-master\dowhy\__pycache__\__init__.cpython-37.pyc
     文件        5177  2018-11-12 22:59  causal-inference-dowhy-master\dowhy\__pycache__\causal_estimator.cpython-36.pyc
     文件        5181  2018-11-12 22:59  causal-inference-dowhy-master\dowhy\__pycache__\causal_estimator.cpython-37.pyc
     文件        6341  2018-11-12 22:59  causal-inference-dowhy-master\dowhy\__pycache__\causal_graph.cpython-36.pyc
     文件        6347  2018-11-12 22:59  causal-inference-dowhy-master\dowhy\__pycache__\causal_graph.cpython-37.pyc
     文件        4561  2018-11-12 22:59  causal-inference-dowhy-master\dowhy\__pycache__\causal_identifier.cpython-36.pyc
     文件        4573  2018-11-12 22:59  causal-inference-dowhy-master\dowhy\__pycache__\causal_identifier.cpython-37.pyc
     文件        1215  2018-11-12 22:59  causal-inference-dowhy-master\dowhy\__pycache__\causal_refuter.cpython-36.pyc
     文件        1219  2018-11-12 22:59  causal-inference-dowhy-master\dowhy\__pycache__\causal_refuter.cpython-37.pyc
     文件        4167  2018-11-12 22:59  causal-inference-dowhy-master\dowhy\__pycache__\datasets.cpython-36.pyc
     文件        4171  2018-11-12 22:59  causal-inference-dowhy-master\dowhy\__pycache__\datasets.cpython-37.pyc
     文件        5697  2018-11-12 22:59  causal-inference-dowhy-master\dowhy\__pycache__\do_why.cpython-36.pyc
     文件        5711  2018-11-12 22:59  causal-inference-dowhy-master\dowhy\__pycache__\do_why.cpython-37.pyc
     文件        1930  2018-11-12 22:59  causal-inference-dowhy-master\dowhy\__pycache__\plotter.cpython-36.pyc
     文件        5498  2018-11-12 22:59  causal-inference-dowhy-master\dowhy\causal_estimator.py
     目录           0  2018-11-12 22:59  causal-inference-dowhy-master\dowhy\causal_estimators\
     文件         866  2018-11-12 22:59  causal-inference-dowhy-master\dowhy\causal_estimators\__init__.py
     目录           0  2018-11-12 22:59  causal-inference-dowhy-master\dowhy\causal_estimators\__pycache__\
     文件         852  2018-11-12 22:59  causal-inference-dowhy-master\dowhy\causal_estimators\__pycache__\__init__.cpython-36.pyc
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