Update parquet files

icheng3--book-train/csv-train.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:93d4a12a8cdea4de2ecb0d223970e10087bc6856045f73678ad1324dc01a3c45
-size 5876140
+oid sha256:cdb1c2611c9137db369e513e483e8e67c4c52066cd449035c0c7013ab3560e63
+size 5876141