我在一列中有一个带有混合日期格式的数据框。其中一些格式为dd / mm / yyyy,其中一些格式为d / m / y。如何根据单元格的值应用适当的格式将列设置为日期时间? 我正在读取csv文件:
DayofWeek,Date
Friday,22/05/2015
Friday,10/2/12
Friday,10/10/14
Friday,21/10/2011
Friday,8/7/11
答案 0 :(得分:0)
df = pd.read_csv('dates.txt', parse_dates=['Date'], dayfirst=True)
df.info()
<class 'pandas.core.frame.DataFrame'>
RangeIndex: 5 entries, 0 to 4
Data columns (total 2 columns):
DayofWeek 5 non-null object
Date 5 non-null datetime64[ns]
dtypes: datetime64[ns](1), object(1)
memory usage: 100.0+ bytes
print(df)
DayofWeek Date
0 Friday 2015-05-22
1 Friday 2012-02-10
2 Friday 2014-10-10
3 Friday 2011-10-21
4 Friday 2011-07-08