我是python 3的新手我必须从.csv文件获取日期时间值并将其分割为单独的日期和时间值列。在csv中分割日期时间以分隔日期和时间列
CSV文件:运行后
输出:
C1,C2,V2,Time_Stamp
0.1,1.3,-0.9,13/6/2017 14:42
0.1,1.2,-0.9,13/6/2017 14:42
0.1,1.3,-0.9,13/6/2017 14:42
0.1,1.3,-0.9,13/6/2017 14:42
起初,我有什么是这个TIME_STAMP下
timestamps = Data.Time_Stamp
for i in timestamps:
dataobj = dt.datetime.strptime(i, "%d/%m/%Y %H:%M") #Time_Stamp datetime format - need set varibale to print
print (dataobj) #Prints the following output
输出:
13/6/2017 14:42
13/6/2017 14:42
13/6/2017 14:42
13/6/2017 14:42
13/6/2017 14:42
根据上面的输出,它将日期和时间放在一个列中,我希望日期位于不同的列中,并且时间位于另一列中。
13/6/2017 14:42 13/6/2017 14:42
13/6/2017 14:42 13/6/2017 14:42
13/6/2017 14:42 13/6/2017 14:42
13/6/2017 14:42 13/6/2017 14:42
13/6/2017 14:42 13/6/2017 14:42
我尝试下面的例子,从这个Splitting timestamp column into seperate date and time columns,但我不能得到类似的输出。
import pandas as pd
import csv
import datetime as dt
print (row)
Data = pd.DataFrame.from_csv('csv_date.csv')
print (Data)
timestamps = Data.Time_Stamp
for i in timestamps:
dataobj = datetime.strptime(i, "%d/%m/%Y %H:%M")
df['new_date'] = [i.date() for i in Data['Time_Stamp']]
df['new_time'] = [i.time() for i in Data['Time_Stamp']]
错误我遇到:
AttributeError Traceback (most recent call last)
<ipython-input-137-ca9ed5c25ff2> in <module>()
----> 1 df['new_date'] = [i.date() for i in Data['Time_Stamp']]
2 df['new_time'] = [i.time() for i in Data['Time_Stamp']]
<ipython-input-137-ca9ed5c25ff2> in <listcomp>(.0)
----> 1 df['new_date'] = [i.date() for i in Data['Time_Stamp']]
2 df['new_time'] = [i.time() for i in Data['Time_Stamp']]
AttributeError: 'str' object has no attribute 'date'
我试过使用你提供的例子,但我有这个错误:** TypeError:不能转换类型类似datetimelike索引**以及** AttributeError:只能使用.dt访问器与datetimelike值** –
@SanctaIgnis请张贴您的一些输入数据。 –
我添加了我使用的日期时间的数据 –