摘要: import pandas as pd import numpy as np # 均值为0,标准差为1,十行五列 stock_change = np.random.normal(0, 1, (10, 5)) stock_rise = pd.DataFrame(stock_change) # 构建行索 阅读全文
posted @ 2021-01-15 18:51 夜月薇凉映银弩 阅读(83) 评论(0) 推荐(0) 编辑