from tensorflow import keras
def load_dataset():
from keras.datasets import boston_housing
(x_train, y_train), (x_test, y_test) = (
boston_housing.load_data(test_split=0.2)
)
x_mean = x_train.mean(axis=0)
x_std = x_train.std(axis=0)
x_train = (x_train - x_mean) / x_std
x_test = (x_test - x_mean) / x_std
return (x_train, y_train), (x_test, y_test)