{
  "transformer": {
    "mae": 0.22224981480335093,
    "median_ae": 0.1725286729633808,
    "rmse": 0.30106130791895946,
    "r2": -0.26999028153625493,
    "bias": 0.09176320967828336,
    "direction_accuracy": 0.6581632653061225
  }
}