{
  "model_type": "Random Forest",
  "feature_cols": [
    "AVRR",
    "SDNN",
    "RMSSD",
    "PNN50",
    "Coefficient_of_Variation",
    "Age",
    "Weight",
    "Height",
    "RMSSD_SDNN_ratio",
    "HRV_index",
    "Stress_index",
    "Parasympathetic",
    "AVRR_PNN50",
    "CV_SDNN",
    "RMSSD_sq",
    "SDNN_sq"
  ],
  "target_col": "Fatigue_Level",
  "cv_accuracy": 0.9096989966555183,
  "cv_f1_score": 0.9097647105937559,
  "training_accuracy": 0.998088867654085,
  "n_samples": 2093,
  "training_mode": "all_data_demo"
}