code: def explainer(exact_shap_regression_dataset):
      X_train, X_test, y_train, y_test = exact_shap_regression_dataset
  
      mod = LinearRegression().fit(X_train, y_train)
  
      explainer = cuKE(model=mod.predict, data=X_train)
  
      return explainer
  
file_path: cuml/python/cuml/tests/explainer/test_shap_plotting.py
imports: import pytest
  from cuml import KernelExplainer
  from cuml import LinearRegression
label_desc: Use image node_id 2 for calling a global function with example usage: explainer(exact_shap_regression_dataset) and returns: explainer