{
  "sample_rate": 0.01,
  "bin_search_interval": 0.05,
  "feature_search_strategy": "iv",
  "x_candidate_num": 10,
  "special_values": null,
  "y_column": "creditability",
  "x_columns_candidate": [
    "duration_in_month",
    "credit_amount",
    "age_in_years",
    "purpose",
    "credit_history",
    "savings_account_and_bonds"
  ]
}