add dataset_info in dataset metadata

README.md

@@ -30,44 +30,65 @@ train-eval-index:
     text: text
     label: target
   metrics:
-    - type: accuracy
-      name: Accuracy
-    - type: f1
-      name: F1 macro
-      args:
-        average: macro
-    - type: f1
-      name: F1 micro
-      args:
-        average: micro  
-    - type: f1
-      name: F1 weighted
-      args:
-        average: weighted
-    - type: precision
-      name: Precision macro
-      args:
-        average: macro  
-    - type: precision
-      name: Precision micro
-      args:
-        average: micro  
-    - type: precision
-      name: Precision weighted
-      args:
-        average: weighted  
-    - type: recall
-      name: Recall macro
-      args:
-        average: macro  
-    - type: recall
-      name: Recall micro
-      args:
-        average: micro  
-    - type: recall
-      name: Recall weighted
-      args:
-        average: weighted
+  - type: accuracy
+    name: Accuracy
+  - type: f1
+    name: F1 macro
+    args:
+      average: macro
+  - type: f1
+    name: F1 micro
+    args:
+      average: micro
+  - type: f1
+    name: F1 weighted
+    args:
+      average: weighted
+  - type: precision
+    name: Precision macro
+    args:
+      average: macro
+  - type: precision
+    name: Precision micro
+    args:
+      average: micro
+  - type: precision
+    name: Precision weighted
+    args:
+      average: weighted
+  - type: recall
+    name: Recall macro
+    args:
+      average: macro
+  - type: recall
+    name: Recall micro
+    args:
+      average: micro
+  - type: recall
+    name: Recall weighted
+    args:
+      average: weighted
+dataset_info:
+  features:
+  - name: text
+    dtype: string
+  - name: label
+    dtype:
+      class_label:
+        names:
+          0: World
+          1: Sports
+          2: Business
+          3: Sci/Tech
+  splits:
+  - name: test
+    num_bytes: 1879478
+    num_examples: 7600
+  - name: train
+    num_bytes: 29817351
+    num_examples: 120000
+  download_size: 31327765
+  dataset_size: 31696829
 ---
 
 # Dataset Card for "ag_news"
@@ -232,4 +253,4 @@ The data fields are the same among all splits.
 
 ### Contributions
 
-Thanks to [@jxmorris12](https://github.com/jxmorris12), [@thomwolf](https://github.com/thomwolf), [@lhoestq](https://github.com/lhoestq), [@lewtun](https://github.com/lewtun) for adding this dataset.
+Thanks to [@jxmorris12](https://github.com/jxmorris12), [@thomwolf](https://github.com/thomwolf), [@lhoestq](https://github.com/lhoestq), [@lewtun](https://github.com/lewtun) for adding this dataset.