Convert dataset to Parquet

Convert dataset to Parquet.

README.md

@@ -1,7 +1,43 @@
 ---
+size_categories:
+- n<1K
 task_categories:
 - image-classification
 pretty_name: MNIST
-size_categories:
-- n<1K
----
+dataset_info:
+  features:
+  - name: image
+    dtype:
+      image:
+        mode: L
+  - name: label
+    dtype:
+      class_label:
+        names:
+          '0': '0'
+          '1': '1'
+          '2': '2'
+          '3': '3'
+          '4': '4'
+          '5': '5'
+          '6': '6'
+          '7': '7'
+          '8': '8'
+          '9': '9'
+  splits:
+  - name: train
+    num_bytes: 17223300.0
+    num_examples: 60000
+  - name: test
+    num_bytes: 2875182.0
+    num_examples: 10000
+  download_size: 18157556
+  dataset_size: 20098482.0
+configs:
+- config_name: default
+  data_files:
+  - split: train
+    path: data/train-*
+  - split: test
+    path: data/test-*
+---

data/test-00000-of-00001.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0ba50678b3c74a32dbda3e0b7aa2bc8ddd0c772a62e1533d4a540b1caa6dc999
+size 2595915

data/train-00000-of-00001.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c190ff735dd00eb84abf76313046e87998677797c4ae8e0c9628ee071687e875
+size 15561641