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Update utils.py #7

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8 changes: 4 additions & 4 deletions utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@
import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
from sklearn.preprocessing import MinMaxScaler
from sklearn.preprocessing import StandardScaler


def load_data(folderAddress, model_name):
Expand Down Expand Up @@ -33,7 +33,7 @@ def load_data(folderAddress, model_name):

def get_train_val_data(train_data, valid_data, scaler_path):
# normalization
scaler = MinMaxScaler()
scaler = StandardScaler()

if len(train_data.shape) == 1: # shape=(time_steps, )
scaler = scaler.fit(np.expand_dims(train_data, axis=-1))
Expand All @@ -56,7 +56,7 @@ def get_train_val_data(train_data, valid_data, scaler_path):
scaled_data.append(data)

# save scaler
print(f"Save MinMaxScaler in path: {scaler_path}")
print(f"Save StandardScaler in path: {scaler_path}")
pickle.dump(scaler, open(scaler_path, 'wb'))
return scaled_data

Expand Down Expand Up @@ -106,4 +106,4 @@ def get_plot(result_df):
ax[i].legend()

plt.title('Actual Values vs. Predicted Values')
plt.show()
plt.show()