{ "random_seed": 14, "test_size": 0.2, "target_feature": "stroke", "original_features": [ "gender", "age", "hypertension", "heart_disease", "ever_married", "work_type", "Residence_type", "avg_glucose_level", "bmi", "smoking_status" ], "binary_encoding": { "columns": [ "ever_married" ], "mapping": { "No": 0, "Yes": 1 } }, "imputation": { "method": "SimpleImputer", "strategy": "median", "columns": [ "bmi" ] }, "binning": { "method": "pandas.cut", "columns": [ "age", "avg_glucose_level", "bmi" ] }, "encoding": { "method": "OrdinalEncoder", "columns": [ "gender", "work_type", "residence_type", "smoking_status", "age", "bmi", "avg_glucose_level" ], "verbose_feature_names": false }, "over_sampling": { "method": "SMOTE", "note": "Applied only to train data." }, "processed_features": [ "stroke", "ever_married", "heart_disease", "hypertension", "avg_glucose_level", "bmi", "age", "smoking_status", "residence_type", "work_type", "gender" ], "artifacts_dir": "data/artifacts", "processed_data_dir": "data/processed", "train_shape": [ 7778, 11 ], "test_shape": [ 1022, 11 ], "timestamp": "2026-05-19T02:47:52.834577" }