摘要: 一、缺失数据NaN 1 from pandas import Series,DataFrame 2 import numpy as np 3 import pandas as pd 4 string_data = Series(['musickness','choke',np.nan,'love'] 阅读全文
posted @ 2019-12-13 11:18 闪亮可可仙 阅读(332) 评论(0) 推荐(0) 编辑