Add evaluation results on samsum dataset (#1)

- Add evaluation results on samsum dataset (81814d81846806cad273e3cd251efbd0f0ef1848)


Co-authored-by: Evaluation Bot <autoevaluator@users.noreply.huggingface.co>

README.md

@@ -2,6 +2,42 @@
 language: en
 tags:
 - summarization
+model-index:
+- name: google/pegasus-xsum
+  results:
+  - task:
+      type: summarization
+      name: Summarization
+    dataset:
+      name: samsum
+      type: samsum
+      config: samsum
+      split: train
+    metrics:
+    - name: ROUGE-1
+      type: rouge
+      value: 21.8096
+      verified: true
+    - name: ROUGE-2
+      type: rouge
+      value: 4.2525
+      verified: true
+    - name: ROUGE-L
+      type: rouge
+      value: 17.4469
+      verified: true
+    - name: ROUGE-LSUM
+      type: rouge
+      value: 18.8907
+      verified: true
+    - name: loss
+      type: loss
+      value: 3.0317161083221436
+      verified: true
+    - name: gen_len
+      type: gen_len
+      value: 20.3122
+      verified: true
 ---
 
 ### Pegasus Models