class_docstr: A simple linear model built on statmodels.
code: def _get_ate(self):
      return self.ate
  
file_path: pgmpy/pgmpy/estimators/LinearModel.py
imports: import statsmodels.api
  from statsmodels.api import OLS, GLS, WLS
label_desc: Use image node_id 4 for calling the LinearEstimator obj's underlying member method code with example usage: obj._get_ate() and returns: self