Update parquet files

exponential1.0_grid64/test/0000.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:5cf7d61f6ec56a795fa4995e4097bb53a257db75a2e9dea6a0652fdbb9484781
-size 19869755
+oid sha256:48bc95e55dd2b2eb1f2dd79d815395a143710b785141d7840b304e8a55f1e1cc
+size 634

exponential1.0_grid64/train/0000.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:5b6e039e44c54e859ca93ce385c6e09ee6a9ddc7088f80482906f4f10091d4f6
-size 99342200
+oid sha256:48bc95e55dd2b2eb1f2dd79d815395a143710b785141d7840b304e8a55f1e1cc
+size 634