现在我有一个数据帧“df”,如下所示:
In [28]: df[:100]
Out[28]:
distkm modlat modlon reallat reallon time
0 9.325590 42.423024 -70.512309 42.5040 -70.5419 731800.5514
1 9.286476 42.416112 -70.519175 42.4956 -70.5539 731800.6319
0 4.456535 42.423877 -70.408784 42.4292 -70.4626 731802.0660
1 6.393979 42.405980 -70.367245 42.4297 -70.4382 731802.1556
2 7.447289 42.389719 -70.343267 42.4259 -70.4196 731802.2312
0 4.456535 42.423877 -70.408784 42.4292 -70.4626 731802.0660
1 6.393979 42.405980 -70.367245 42.4297 -70.4382 731802.1556
2 7.447289 42.389719 -70.343267 42.4259 -70.4196 731802.2312
3 7.329755 42.370420 -70.340029 42.4134 -70.4077 731802.3208
4 6.817408 42.355624 -70.337595 42.3942 -70.4021 731802.3972
0 ...
1 ...
我想把数据帧分开“测向指数“比如:
distkm modlat modlon reallat reallon time
0 9.325590 42.423024 -70.512309 42.5040 -70.5419 731800.5514
1 9.286476 42.416112 -70.519175 42.4956 -70.5539 731800.6319
distkm modlat modlon reallat reallon time
0 4.456535 42.423877 -70.408784 42.4292 -70.4626 731802.0660
1 6.393979 42.405980 -70.367245 42.4297 -70.4382 731802.1556
2 7.447289 42.389719 -70.343267 42.4259 -70.4196 731802.2312
distkm modlat modlon reallat reallon time
0 4.456535 42.423877 -70.408784 42.4292 -70.4626 731802.0660
1 6.393979 42.405980 -70.367245 42.4297 -70.4382 731802.1556
2 7.447289 42.389719 -70.343267 42.4259 -70.4196 731802.2312
3 7.329755 42.370420 -70.340029 42.4134 -70.4077 731802.3208
4 6.817408 42.355624 -70.337595 42.3942 -70.4021 731802.3972
然后把这些小的“df”画成一个图形。 我该怎么做? 我试过“群比”(测向指数)“但结果并不是我想要的,它只是把所有相同的索引号放在一起。你知道吗
[从注释中迁移]
我对绘图知之甚少,但ISTM您可以按您所希望的方式使用
groupby
[NB:这假设您的索引由整数组成,而不是字符串如果我错了,用'0'
替换0
]:对于每个组,我们可以再次设置索引,例如:
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