import pandas as pd
model=pd.read_excel("5Preprocessing/model.xls")
def Standard(data):
    data=(data-data.mean())/data.std()
    return data
S=Standard(model)
print("标准化后的数据为：",'\n',S.head())

def MinMaxScale(data):
    data=(data-data.min())/(data.max()-data.min())
    return data
M=MinMaxScale(model)
print("离差标准化后的数据为：",'\n',S.head())

import numpy as np
def DecimalScaler(data):
    data=data/10**np.ceil(np.log10(data.abs().max()))
    return data
D=DecimalScaler(model)
print("小数定标差标准化的数据为：",'\n',D.head())