Update parquet files

exponential0.4_grid64/test/0000.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:9d2f0258f78558124c5c4585ffb7b5aca91da215f380bad52558a3433957207e
-size 19869755
+oid sha256:48bc95e55dd2b2eb1f2dd79d815395a143710b785141d7840b304e8a55f1e1cc
+size 634

exponential0.4_grid64/train/0000.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:37bb8e84e08aa65cf9ecf2f25cbd47f01547ee3d34176b879a5a56ce75f8c5c6
-size 99342198
+oid sha256:48bc95e55dd2b2eb1f2dd79d815395a143710b785141d7840b304e8a55f1e1cc
+size 634