Add processed dataset

data/test_prefs-00000-of-00001.arrow

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:890defd08ac76df2b26962d071d1be75e0a53a62b17c6b47ef1c578fa978e20c
-size 4576360
+oid sha256:3a64bc1e5a453c18b9afb8d9be446e9752d678f41d98bd88f2982aa9d03fbcd9
+size 3423216

data/train_prefs-00000-of-00001.arrow

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:b3e08fe965b210d160f11a46c86a1c3468dec846bc7c8b158ed364478741fc28
-size 85678184
+oid sha256:abefa4ad380149c9e129ae19526efae8e166ec214d5ae8e57b66e88322fe397b
+size 64201912