diff --git a/data/model/dcrnn_config.yaml b/data/model/dcrnn_config.yaml
index 27b2bf0..54a1e51 100644
--- a/data/model/dcrnn_config.yaml
+++ b/data/model/dcrnn_config.yaml
@@ -1,5 +1,6 @@
 ---
 base_dir: data/model
+log_level: INFO
 data:
   batch_size: 64
   dataset_dir: data/METR-LA
diff --git a/data/model/dcrnn_config_u16_lap.yaml b/data/model/dcrnn_config_u16_lap.yaml
deleted file mode 100644
index d473341..0000000
--- a/data/model/dcrnn_config_u16_lap.yaml
+++ /dev/null
@@ -1,36 +0,0 @@
----
-base_dir: data/model
-data:
-  batch_size: 64
-  dataset_dir: data/METR-LA
-  test_batch_size: 64
-  val_batch_size: 64
-  graph_pkl_filename: data/sensor_graph/adj_mx.pkl
-
-model:
-  cl_decay_steps: 2000
-  filter_type: laplacian
-  horizon: 12
-  input_dim: 2
-  l1_decay: 0
-  max_diffusion_step: 2
-  max_grad_norm: 5
-  num_nodes: 207
-  num_rnn_layers: 2
-  output_dim: 1
-  rnn_units: 16
-  seq_len: 12
-  use_curriculum_learning: true
-
-train:
-  base_lr: 0.01
-  dropout: 0
-  epoch: 0
-  epochs: 100
-  global_step: 0
-  lr_decay_ratio: 0.1
-  steps: [20, 30, 40, 50]
-  max_to_keep: 100
-  min_learning_rate: 2.0e-06
-  patience: 50
-  test_every_n_epochs: 10
\ No newline at end of file
diff --git a/data/model/dcrnn_test_config.yaml b/data/model/dcrnn_test_config.yaml
index 60b1d5a..fce08bc 100644
--- a/data/model/dcrnn_test_config.yaml
+++ b/data/model/dcrnn_test_config.yaml
@@ -1,5 +1,6 @@
 ---
 base_dir: data/model
+log_level: INFO
 data:
   batch_size: 64
   dataset_dir: data/METR-LA
@@ -14,11 +15,10 @@ model:
   input_dim: 2
   l1_decay: 0
   max_diffusion_step: 2
-  max_grad_norm: 5
   num_nodes: 207
   num_rnn_layers: 2
   output_dim: 1
-  rnn_units: 64
+  rnn_units: 16
   seq_len: 12
   use_curriculum_learning: true
 
@@ -27,10 +27,13 @@ train:
   dropout: 0
   epoch: 0
   epochs: 100
+  epsilon: 1.0e-3
   global_step: 0
   lr_decay_ratio: 0.1
-  steps: [20, 30, 40, 50]
+  max_grad_norm: 5
   max_to_keep: 100
   min_learning_rate: 2.0e-06
+  optimizer: adam
   patience: 50
+  steps: [20, 30, 40, 50]
   test_every_n_epochs: 10
\ No newline at end of file
diff --git a/data/model/pretrained/config.yaml b/data/model/pretrained/config.yaml
index 621ba8d..5292f70 100644
--- a/data/model/pretrained/config.yaml
+++ b/data/model/pretrained/config.yaml
@@ -1,4 +1,5 @@
 base_dir: data/model
+log_level: INFO
 data:
   batch_size: 64
   dataset_dir: data/METR-LA
diff --git a/lib/utils.py b/lib/utils.py
index 4933cac..82dd538 100644
--- a/lib/utils.py
+++ b/lib/utils.py
@@ -145,9 +145,9 @@ def config_logging(log_dir, log_filename='info.log', level=logging.INFO):
     logging.basicConfig(handlers=[file_handler, console_handler], level=level)
 
 
-def get_logger(log_dir, name, log_filename='info.log'):
+def get_logger(log_dir, name, log_filename='info.log', level=logging.INFO):
     logger = logging.getLogger(name)
-    logger.setLevel(logging.DEBUG)
+    logger.setLevel(level)
     # Add file handler and stdout handler
     formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
     file_handler = logging.FileHandler(os.path.join(log_dir, log_filename))
@@ -175,6 +175,25 @@ def get_total_trainable_parameter_size():
     return total_parameters
 
 
+def load_dataset(dataset_dir, batch_size, test_batch_size=None, **kwargs):
+    data = {}
+    for category in ['train', 'val', 'test']:
+        cat_data = np.load(os.path.join(dataset_dir, category + '.npz'))
+        data['x_' + category] = cat_data['x']
+        data['y_' + category] = cat_data['y']
+    scaler = StandardScaler(mean=data['x_train'][..., 0].mean(), std=data['x_train'][..., 0].std())
+    # Data format
+    for category in ['train', 'val', 'test']:
+        data['x_' + category][..., 0] = scaler.transform(data['x_' + category][..., 0])
+        data['y_' + category][..., 0] = scaler.transform(data['y_' + category][..., 0])
+    data['train_loader'] = DataLoader(data['x_train'], data['y_train'], batch_size, shuffle=True)
+    data['val_loader'] = DataLoader(data['x_val'], data['y_val'], test_batch_size, shuffle=False)
+    data['test_loader'] = DataLoader(data['x_test'], data['y_test'], test_batch_size, shuffle=False)
+    data['scaler'] = scaler
+
+    return data
+
+
 def load_graph_data(pkl_filename):
     sensor_ids, sensor_id_to_ind, adj_mx = load_pickle(pkl_filename)
     return sensor_ids, sensor_id_to_ind, adj_mx