将数据类型为时间time 06:00:00的数据变成可计算的6
我想要将数据类型为时间time 06:00:00的数据变成可计算的6怎么弄啊?{:5_109:}
大概这样 我想要计算它的mean
同时和前面的年份groupby一下
time url
0 06:00:00http://en.wikipedia.org/wiki/2009_Australian_G...
1 09:00:00http://en.wikipedia.org/wiki/2009_Malaysian_Gr...
2 07:00:00http://en.wikipedia.org/wiki/2009_Chinese_Gran...
3 12:00:00http://en.wikipedia.org/wiki/2009_Bahrain_Gran...
4 12:00:00http://en.wikipedia.org/wiki/2009_Spanish_Gran...
... ... ...
105319:00:00http://en.wikipedia.org/wiki/2021_United_State...
105419:00:00http://en.wikipedia.org/wiki/2021_Mexican_Gran...
105517:00:00http://en.wikipedia.org/wiki/2021_Brazilian_Gr...
105616:00:00http://en.wikipedia.org/wiki/2021_Saudi_Arabia...
105713:00:00http://en.wikipedia.org/wiki/2021_Abu_Dhabi_Gr...
raceIdyearroundcircuitId name date\
0 12009 1 1 Australian Grand Prix2009-03-29
1 22009 2 2 Malaysian Grand Prix2009-04-05
2 32009 3 17 Chinese Grand Prix2009-04-19
3 42009 4 3 Bahrain Grand Prix2009-04-26
4 52009 5 4 Spanish Grand Prix2009-05-10
... ... ... ... ... ... ...
1053 10692021 18 69United States Grand Prix2021-10-24
1054 10702021 19 32 Mexico City Grand Prix2021-10-31
1055 10712021 20 18 Brazilian Grand Prix2021-11-07
1056 10722021 22 77Saudi Arabian Grand Prix2021-12-05
1057 10732021 23 24 Abu Dhabi Grand Prix2021-12-12
前面是这样 我需要做一个 area plot 求助 你这是电子表格还是数据库 看一下字段类型是字符串吗
电子表格公式不够用的话内置vb处理
数据库SQL server mysql Oracle之间差别很大要对应的方言去处理时间 kogawananari 发表于 2021-11-7 13:30
你这是电子表格还是数据库 看一下字段类型是字符串吗
电子表格公式不够用的话内置vb处理
数据库SQL ser ...
文字类型是字符object,
数据是电子表格csv格式
运用的jupyter notebook的python raceIdyearroundcircuitId name date\
0 12009 1 1 Australian Grand Prix2009-03-29
1 22009 2 2 Malaysian Grand Prix2009-04-05
2 32009 3 17 Chinese Grand Prix2009-04-19
3 42009 4 3 Bahrain Grand Prix2009-04-26
4 52009 5 4 Spanish Grand Prix2009-05-10
... ... ... ... ... ... ...
1053 10692021 18 69United States Grand Prix2021-10-24
1054 10702021 19 32 Mexico City Grand Prix2021-10-31
1055 10712021 20 18 Brazilian Grand Prix2021-11-07
1056 10722021 22 77Saudi Arabian Grand Prix2021-12-05
1057 10732021 23 24 Abu Dhabi Grand Prix2021-12-12
time url
0 06:00:00http://en.wikipedia.org/wiki/2009_Australian_G...
1 09:00:00http://en.wikipedia.org/wiki/2009_Malaysian_Gr...
2 07:00:00http://en.wikipedia.org/wiki/2009_Chinese_Gran...
3 12:00:00http://en.wikipedia.org/wiki/2009_Bahrain_Gran...
4 12:00:00http://en.wikipedia.org/wiki/2009_Spanish_Gran...
... ... ...
105319:00:00http://en.wikipedia.org/wiki/2021_United_State...
105419:00:00http://en.wikipedia.org/wiki/2021_Mexican_Gran...
105517:00:00http://en.wikipedia.org/wiki/2021_Brazilian_Gr...
105616:00:00http://en.wikipedia.org/wiki/2021_Saudi_Arabia...
105713:00:00http://en.wikipedia.org/wiki/2021_Abu_Dhabi_Gr...
<class 'pandas.core.frame.DataFrame'>
RangeIndex: 1058 entries, 0 to 1057
Data columns (total 8 columns):
# Column Non-Null CountDtype
--------- -------------------
0 raceId 1058 non-null int64
1 year 1058 non-null int64
2 round 1058 non-null int64
3 circuitId1058 non-null int64
4 name 1058 non-null object
5 date 1058 non-null object
6 time 1058 non-null object
7 url 1058 non-null object
dtypes: int64(4), object(4)
memory usage: 66.2+ KB 说groupby我还以为是sql数据库pandas没玩过{:10_292:} kogawananari 发表于 2021-11-7 14:38
说groupby我还以为是sql数据库pandas没玩过
太难了 学不来5555
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