Update README.md

README.md

@@ -11,6 +11,14 @@ model-index:
 <!-- This model card has been generated automatically according to the information the Trainer had access to. You
 should probably proofread and complete it, then remove this comment. -->
 
+# Important Note:
+`load_best_model_at_end` is not working properly. I created the `combined` metric (55% F1 score + 45% exact match score) to rank the best result but it still does not work. Here is the setting in the `TrainingArguments`:
+```
+  load_best_model_at_end=True,
+  metric_for_best_model='combined',
+  greater_is_better=True,
+```
+
 # DSPFirst-Finetuning-5
 
 This model is a fine-tuned version of [ahotrod/electra_large_discriminator_squad2_512](https://huggingface.co/ahotrod/electra_large_discriminator_squad2_512) on a generated Questions and Answers dataset from the DSPFirst textbook based on the SQuAD 2.0 format.<br />