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这是一个创建于 2154 天前的主题，其中的信息可能已经有所发展或是发生改变。
有一组数据 Values，用 print(Values)打印出来之后如下：
0 3.911735
1 3.361345
2 0.278293
3 5.546312
4 0.707214
5 1.253616
6 0.064558
7 6.365298
8 -0.916926
9 -4.859611
10 -3.333333
11 0.211060
12 4.772938
13 0.749465
14 -0.089087
15 1.250000
16 1.305221
17 -1.395007
18 0.749064
19 1.684717
20 -4.233129
21 2.536232
22 -1.563722
23 -2.775897
24 1.498258
25 10.022779
26 -2.649770
27 -1.598245
28 1.211689
29 -1.456311
63660 -4.156250
63661 -4.642857
63662 -7.877170
63663 -8.370044
63664 -9.767892
63665 -9.950556
63666 -3.908795
63667 -8.882521
63668 -10.010267
63669 -5.669145
63670 -4.437870
63671 -8.365608
63672 -9.408451
63673 -8.650261
63674 -9.984520
63675 -10.000000
63676 -9.966777
63677 -9.992811
63678 -7.536042
63679 -9.990109
63680 -9.803922
63681 -9.359417
63682 -5.721393
63683 -10.000000
63684 -10.000000
63685 -10.000000
63686 -9.249431
63687 -9.990010
63688 -9.990182
63689 -10.008220
Name: RealValues, Length: 63690, dtype: float64
我用语句 SegValues = Values[ StartPointer : EndPointer ]把它从中间切片，print( SegValues )之后如下：
47590 0.969163
47591 -1.668653
47592 -3.653846
47593 -0.243902
47594 -1.953819
47595 -3.157895
47596 -2.097902
47597 -2.290076
47598 -0.626566
47599 -2.634731
47600 -1.257862
47601 3.343023
47602 -3.041145
47603 3.345127
47604 -2.320186
47605 -1.582278
47606 3.436989
47607 -1.200155
47608 -2.577873
47609 -1.201201
47610 -0.232558
47611 -0.156250
47612 -1.573034
47613 1.002004
47614 0.967118
47615 2.071563
47616 -2.317050
47617 -2.386451
47618 0.000000
47619 4.012346
56839 5.579710
56840 1.765448
56841 1.512097
56842 3.897008
56843 1.572482
56844 2.096178
56845 10.039761
56846 -1.857143
56847 3.642122
56848 0.117165
56849 -1.220539
56850 2.329193
56851 -3.387978
56852 -1.486989
56853 -0.391389
56854 -4.135079
56855 -0.070721
56856 0.498753
56857 0.299760
56858 -4.719101
56859 -0.433463
56860 -6.330553
56861 -2.140007
56862 -2.255639
56863 -1.506373
56864 -0.995025
56865 -2.418605
56866 -0.079239
56867 0.501672
56868 -0.277778
Name: RealValues, Length: 9279, dtype: float64
问题是我想它的序号 47590-56868 变成从 0 开始，该怎么做？
0 3.911735
1 3.361345
2 0.278293
3 5.546312
4 0.707214
5 1.253616
6 0.064558
7 6.365298
8 -0.916926
9 -4.859611
10 -3.333333
11 0.211060
12 4.772938
13 0.749465
14 -0.089087
15 1.250000
16 1.305221
17 -1.395007
18 0.749064
19 1.684717
20 -4.233129
21 2.536232
22 -1.563722
23 -2.775897
24 1.498258
25 10.022779
26 -2.649770
27 -1.598245
28 1.211689
29 -1.456311
63660 -4.156250
63661 -4.642857
63662 -7.877170
63663 -8.370044
63664 -9.767892
63665 -9.950556
63666 -3.908795
63667 -8.882521
63668 -10.010267
63669 -5.669145
63670 -4.437870
63671 -8.365608
63672 -9.408451
63673 -8.650261
63674 -9.984520
63675 -10.000000
63676 -9.966777
63677 -9.992811
63678 -7.536042
63679 -9.990109
63680 -9.803922
63681 -9.359417
63682 -5.721393
63683 -10.000000
63684 -10.000000
63685 -10.000000
63686 -9.249431
63687 -9.990010
63688 -9.990182
63689 -10.008220
Name: RealValues, Length: 63690, dtype: float64
我用语句 SegValues = Values[ StartPointer : EndPointer ]把它从中间切片，print( SegValues )之后如下：
47590 0.969163
47591 -1.668653
47592 -3.653846
47593 -0.243902
47594 -1.953819
47595 -3.157895
47596 -2.097902
47597 -2.290076
47598 -0.626566
47599 -2.634731
47600 -1.257862
47601 3.343023
47602 -3.041145
47603 3.345127
47604 -2.320186
47605 -1.582278
47606 3.436989
47607 -1.200155
47608 -2.577873
47609 -1.201201
47610 -0.232558
47611 -0.156250
47612 -1.573034
47613 1.002004
47614 0.967118
47615 2.071563
47616 -2.317050
47617 -2.386451
47618 0.000000
47619 4.012346
56839 5.579710
56840 1.765448
56841 1.512097
56842 3.897008
56843 1.572482
56844 2.096178
56845 10.039761
56846 -1.857143
56847 3.642122
56848 0.117165
56849 -1.220539
56850 2.329193
56851 -3.387978
56852 -1.486989
56853 -0.391389
56854 -4.135079
56855 -0.070721
56856 0.498753
56857 0.299760
56858 -4.719101
56859 -0.433463
56860 -6.330553
56861 -2.140007
56862 -2.255639
56863 -1.506373
56864 -0.995025
56865 -2.418605
56866 -0.079239
56867 0.501672
56868 -0.277778
Name: RealValues, Length: 9279, dtype: float64
问题是我想它的序号 47590-56868 变成从 0 开始，该怎么做？
6 条回复 • 2018-12-13 22:06:54 +08:00
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1
Shynoob 2018-12-13 17:12:41 +08:00
不成熟的想法：按顺序放入数组取下标
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2
ppyybb 2018-12-13 17:56:32 +08:00 via iPhone
你这是什么语言？还是某个框架里面的东西？
如果语法不支持这样的功能，那就只有自己实现一个了.... |
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3
lance6716 2018-12-13 18:06:27 +08:00 via Android  1
看一下 pandas 官方文档的 reset index
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4
hwpeng 2018-12-13 20:32:31 +08:00
good question
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5
acone2003 OP 谢谢 lance6716，OK ！
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6
acone2003 OP lance6716 真是高人呀，竟能看出来是 pandas 数据。实际上我不知道这是什么结构的数据，只是用 pandas 读取了 CSV 文件，然后又提取了其中的一列，就搞不清楚是什么数据了，以为是一个一维的数组。
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