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rf_gaia_all_colors_teff_log_20251112_162857_metadata.json

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+{
+  "model_id": "rf_gaia_all_colors_teff_log_20251112_162857",
+  "timestamp": "20251112_162857",
+  "model_name": "Gaia All Colors \u2192 log(Teff)",
+  "description": "Temperature prediction using log-transformed target and all Gaia colors (BP-RP, G-BP, G-RP) and bands",
+  "model_type": "RandomForestRegressor",
+  "n_features": 6,
+  "features": [
+    "g",
+    "bp",
+    "rp",
+    "bp_rp",
+    "g_bp",
+    "g_rp"
+  ],
+  "data_source": "gaia_all_colors_train.parquet",
+  "target": "teff_gaia",
+  "target_transform": "log",
+  "train_metrics": {
+    "mae": 484.4404060985601,
+    "rmse": 895.6126476114173,
+    "r2": 0.7260720781309906,
+    "mean_relative_error": 7.874726994435164,
+    "within_5_percent": 50.58603315402005,
+    "within_10_percent": 72.69602676769853,
+    "within_20_percent": 91.01928434019112,
+    "n_samples": 1020932
+  },
+  "test_metrics": {
+    "mae": 556.9184842625981,
+    "rmse": 1021.2615423937236,
+    "r2": 0.6404160611505488,
+    "mean_relative_error": 9.02638564896777,
+    "within_5_percent": 46.35785201031211,
+    "within_10_percent": 68.47246056559862,
+    "within_20_percent": 88.57166364982722,
+    "n_samples": 255234
+  },
+  "hyperparameters": {
+    "n_estimators": 300,
+    "max_depth": 20,
+    "min_samples_split": 5,
+    "min_samples_leaf": 2,
+    "max_features": "sqrt",
+    "random_state": 42,
+    "n_jobs": -1,
+    "verbose": 0
+  },
+  "config_file": "config/models/gaia_all_colors_teff_log.yaml",
+  "data_config": {
+    "source_file": "gaia_all_colors_train.parquet",
+    "source_format": "parquet",
+    "source_location": "processed",
+    "target": "teff_gaia",
+    "features": [
+      "g",
+      "bp",
+      "rp",
+      "bp_rp",
+      "g_bp",
+      "g_rp"
+    ],
+    "id_column": "source_id"
+  }
+}