Update parquet files

default/{train → SNR_0}/0000.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:774d64fbb7e537e509b84b64aa37e1701ac7152797aea3df6d2fa0a6e224f0b4
-size 206315205
+oid sha256:ef473d3cedff76a07d83190e3d846899f7ea13e6dd75276a94a4ccb4b71e3a06
+size 35641568

default/SNR_10/0000.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8e6fba0fad2735e981a719d01a2959da872aede941f8acba052ba7d27acae2bd
+size 39965778

default/SNR_20/0000.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:53982462540ac42d5b7836d17fdb658bd8f9350d501c046100937cc4fb0ef87d
+size 46139386

default/SNR_30/0000.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:23bb8fc2c48d1172333c1ce8b7d3e01446482b70a9d8c25fa168bdb89d2f1460
+size 43991155

default/SNR_5/0000.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:974d157eaf78e00e35a023ad7a006f82fef007dd29416c9a911bc19c2a178171
+size 40583587