code: def get_toy_regression_dataset():
      return pd.DataFrame(
          data=[[23, 2.5], [25, 3.6], [25, 4.6]],
          columns=["age", "target"],
      )
  
imports: import json
  import pandas
  import pytest
  from raiutils.cohort import ClassificationOutcomes, Cohort, CohortFilter, CohortFilterMethods, cohort_filter_json_converter
  from raiutils.exceptions import UserConfigValidationException
label_desc: Use image node_id 3 for calling a global function with example usage: get_toy_regression_dataset() and returns: pd