--- a
+++ b/AICare-baselines/metrics/utils.py
@@ -0,0 +1,15 @@
+def check_metric_is_better(cur_best, main_metric, score, task):
+    if task=="los":
+        if cur_best=={}:
+            return True
+        if score < cur_best[main_metric]:
+            return True
+        return False
+    elif task in ["outcome", "multitask"]:
+        if cur_best=={}:
+            return True
+        if score > cur_best[main_metric]:
+            return True
+        return False
+    else:
+        raise ValueError("Task not supported")
\ No newline at end of file