Upload rounds/round_19/hospital_NVIDIA_round_19_metadata.json with huggingface_hub

rounds/round_19/hospital_NVIDIA_round_19_metadata.json

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+{
+    "client_id": "hospital_NVIDIA",
+    "client_repo": "ChisDong/Client_NVIDIA_IID",
+    "scenario": "iid",
+    "round": 19,
+    "status": "completed",
+    "train_samples": 2283,
+    "val_samples": 384,
+    "samples": 2283,
+    "local_epochs": 1,
+    "base_global_model": "global_model_round_19.safetensors",
+    "created_at": "2026-05-21T03:48:35.286236",
+    "train_loss": 0.669032151500384,
+    "train_accuracy": 0.7936925098554534,
+    "train_sensitivity_macro": 0.7429194577478472,
+    "train_specificity_macro": 0.9592099045463289,
+    "train_precision_macro": 0.6589482422816959,
+    "train_f1_macro": 0.6920187504646645,
+    "train_auc_macro_ovr": 0.9622723939250114,
+    "val_loss": 0.5061870650970377,
+    "val_accuracy": 0.8177083333333334,
+    "val_sensitivity_macro": 0.6522907944044212,
+    "val_specificity_macro": 0.9646807185519003,
+    "val_precision_macro": 0.696093111767715,
+    "val_f1_macro": 0.6379636700685333,
+    "val_auc_macro_ovr": 0.962068479789328,
+    "delta_file": "hospital_NVIDIA_round_19_delta.safetensors"
+}