Update parquet files

nbtpj--6k-sample/parquet-train.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:d4f729276e3e040b2bae0f3bc506cbe29c371b5d77fd7640ecca07b6fc9412ab
-size 5321023
+oid sha256:39e04ae07529d2984ae00bbbdf6775af98fb1b1995f58aaa7484082fa5dc24fb
+size 8033872