Python四舍五入，取整等计算

在《Python数据分析与挖掘实战》一书中第四章，涉及到小数定标规范化

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()))

 

具体解释参考链接：https://blog.csdn.net/tz_zs/article/details/80775256