Update DataFrame columns in load_retrieval_results function for clarity and accuracy

utils.py

@@ -16,7 +16,7 @@ def load_retrieval_results():
 
     retrieval_dataframe_path = results_dir / "retrieval_results.json"
     if not retrieval_dataframe_path.exists():
-        df = pd.DataFrame(columns=["Model", "Revision", "Precision", "Task", "Model Size", "Embedding Dimension", "Max Tokens", "Web Search Dataset (MRR)", "Web Search Dataset (nDCG@k=None)"])
+        df = pd.DataFrame(columns=["Model", "Revision", "Precision", "Task", "Model Size (in Millions)", "Embedding Dimension", "Max Tokens", "Num Likes", "Web Search Dataset (Overall Score)"])
     else:
         df = pd.read_json(retrieval_dataframe_path)
     return df