Python四舍五入，取整等計算

在《Python數據分析與挖掘實戰》一書中第四章，涉及到小數定標規范化

import pandas as pd
df=pd.read_excel(r'E:\siren\Python dataAnalyst\chapter4\demo\data\normalization_data.xls')

import numpy as np
np.ceil(np.log10(df.abs().max()))

 

具體解釋參考鏈接：https://blog.csdn.net/tz_zs/article/details/80775256