Update utils.py

utils.py

@@ -201,3 +201,17 @@ def process_model_size(size):
     except (ValueError, TypeError):
         return 'unknown'
 
+
+def filter_columns_by_subjects(df, selected_subjects=None):
+    if selected_subjects is None or len(selected_subjects) == 0:
+        return df[COLUMN_NAMES]
+    
+    base_columns = ['Models', 'Model Size(B)', 'Data Source', 'Overall']
+    selected_columns = base_columns + selected_subjects
+    
+    available_columns = [col for col in selected_columns if col in df.columns]
+    return df[available_columns]
+
+def get_subject_choices():
+    return SUBJECTS
+