import numpy as np

from sklearn.preprocessing import MinMaxScaler

dataset = np.array([1,2,3,5]).astype('float32')

 

# normalize the dataset

scaler = MinMaxScaler(feature_range=(0, 1))

dataset = scaler.fit_transform(dataset)

origindata = scaler.inverse_transform([dataset])

print dataset

print 'origindata',origindata

 

 

result:

[ 0. 0.25 0.5 1. ]

origindata [[ 1. 2. 3. 5.]]