使用pd.read_csv()之后,我得到下面的数据。但在第一列中,时间格式是错误的。你能告诉我怎么改吗?谢谢。
数据如下,第一列应该是2017/4/10 9:25:00,而不是42835.39236。

     datetime   open   high    low  close
0  42835.39236  20.72  20.72  20.72  20.72
1  42835.39583  20.72  20.72  20.67  20.67
2  42835.39653  20.66  20.67  20.62  20.63
3  42835.39722  20.63  20.65  20.59  20.59
4  42835.39792  20.59  20.59  20.52  20.52

最佳答案

要获得正确的日期,请使用:

import datetime as dt

df['datetime'] = pd.TimedeltaIndex(df['datetime'], unit='d') + dt.datetime(1899, 12, 30)

将产生:
                 datetime   open   high    low  close
0 2017-04-10 09:24:59.904  20.72  20.72  20.72  20.72
1 2017-04-10 09:29:59.712  20.72  20.72  20.67  20.67
2 2017-04-10 09:31:00.192  20.66  20.67  20.62  20.63
3 2017-04-10 09:31:59.808  20.63  20.65  20.59  20.59
4 2017-04-10 09:33:00.288  20.59  20.59  20.52  20.52

编辑
要将datetime分成datetime使用:
df['date'] = df['datetime'].dt.date
df['time'] = df['datetime'].dt.ceil('min').dt.time
df
#                 datetime   open   high    low  close        date      time
#0 2017-04-10 09:24:59.904  20.72  20.72  20.72  20.72  2017-04-10  09:25:00
#1 2017-04-10 09:29:59.712  20.72  20.72  20.67  20.67  2017-04-10  09:30:00
#2 2017-04-10 09:31:00.192  20.66  20.67  20.62  20.63  2017-04-10  09:32:00
#3 2017-04-10 09:31:59.808  20.63  20.65  20.59  20.59  2017-04-10  09:32:00
#4 2017-04-10 09:33:00.288  20.59  20.59  20.52  20.52  2017-04-10  09:34:00

07-28 08:58