我有几个数据框,例如
>data1
pearson fisher yates mec
1 0.01141204 0.02857143 0.05777957 2.50
2 0.02609829 0.04761905 0.11203684 2.25
3 0.05280751 0.07619048 0.19670560 2.00
4 0.09742169 0.16666667 0.31998422 1.75
5 0.16754628 0.42857143 0.49015296 1.50
6 0.27332168 0.44444444 0.71500065 1.25
7 0.42919530 1.00000000 1.00000000 1.00
8 0.65790502 1.00000000 0.65790502 0.75
9 1.00000000 1.00000000 0.29184055 0.50
> data2
pearson fisher yates mec
1 0.02609829 0.04761905 0.1120368 2.25
2 0.05777957 0.20634921 0.2059032 2.50
3 0.11203684 0.24242424 0.3403557 2.25
4 0.19670560 0.52380952 0.5186050 2.00
5 0.31998422 0.52380952 0.7402693 1.75
6 0.49015296 1.00000000 1.0000000 1.50
7 0.71500065 1.00000000 0.7150007 1.25
8 1.00000000 1.00000000 0.4291953 1.00
9 0.65790502 1.00000000 0.6579050 0.75
当我尝试合并这两个数据框时,这是我得到的:
> merge(data1, data2, all=TRUE)
pearson fisher yates mec
1 0.01141204 0.02857143 0.05777957 2.50
2 0.02609829 0.04761905 0.11203684 2.25
3 0.05280751 0.07619048 0.19670560 2.00
4 0.05777957 0.20634921 0.20590321 2.50
5 0.09742169 0.16666667 0.31998422 1.75
6 0.11203684 0.24242424 0.34035574 2.25
7 0.16754628 0.42857143 0.49015296 1.50
8 0.19670560 0.52380952 0.51860502 2.00
9 0.27332168 0.44444444 0.71500065 1.25
10 0.31998422 0.52380952 0.74026928 1.75
11 0.42919530 1.00000000 1.00000000 1.00
12 0.49015296 1.00000000 1.00000000 1.50
13 0.65790502 1.00000000 0.65790502 0.75
14 0.71500065 1.00000000 0.71500065 1.25
15 1.00000000 1.00000000 0.29184055 0.50
16 1.00000000 1.00000000 0.42919530 1.00
我需要得到 18 行,但我得到了 16 行,我有重复的行,我想将它们保留在数据集中。我怎样才能做到这一点?