我有以下数据帧:子集数据帧分组
V1 subst_string
1 NM_000171 L374R
2 NM_000171 W421P
3 NM_000171 T358A
4 NM_000171 T358A
5 NM_000171 T358A
6 NM_000171 T358A
7 NM_000171 S268R
8 NM_000171 N35P
9 NM_000171 T435F
10 NM_000171 T435F
11 NM_000171 T435F
12 NM_000171 T435F
13 NM_000171 L368E
14 NM_000171 L368G
15 NM_000171 L374R
16 NM_000171 W421L
17 NM_000171 W421P
18 NM_000171 W421L
19 NM_000171 R371R
20 NM_000171 R371R
21 NM_000171 S268R
22 NM_000171 N35R
23 NM_000171 N35P
24 NM_000171 N35R
25 NM_000171 F271L
26 NM_000171 F271L
27 NM_000171 F271L
28 NM_000171 L368E
29 NM_000171 L374R
30 NM_000171 L374R
31 NM_000171 M157N
32 NM_000171 M157N
33 NM_000171 M157N
34 NM_000171 R371R
35 NM_000171 S268R
36 NM_000171 S268R
37 NM_000171 Y201P
38 NM_000171 Y201P
39 NM_000171 Y201P
40 NM_000171 Y201P
41 NM_000171 F271L
42 NM_000171 L368G
43 NM_000171 Y397S
44 NM_000171 Y397G
45 NM_000171 Y397S
46 NM_000171 Y397G
47 NM_000171 M157N
48 NM_000171 R371R
49 NM_001146040 F271L
50 NM_001146040 L368E
51 NM_001146040 L374R
52 NM_001146040 E429P
53 NM_001146040 T358A
54 NM_001146040 T358A
55 NM_001146040 M157N
56 NM_001146040 R371R
57 NM_001146040 S268R
58 NM_001146040 N35P
59 NM_001146040 I443F
60 NM_001146040 I443F
61 NM_001146040 Y201P
62 NM_001146040 Y201P
63 NM_001146040 F271L
64 NM_001146040 L368G
65 NM_001146040 L374R
66 NM_001146040 E429L
67 NM_001146040 L405S
68 NM_001146040 L405G
69 NM_001146040 M157N
70 NM_001146040 R371R
71 NM_001146040 S268R
72 NM_001146040 N35R
73 NM_001292000 NANANA
74 XM_005268412 NANANA
这是相当简单的 - 第一列包括4倍不同的值,并且我想创建4个子集的数据,其中,所述数据帧是由这些不同的值进行子集化。即
V1 subst_string
1 NM_000171 L374R
2 NM_000171 W421P
3 NM_000171 T358A
4 NM_000171 T358A
5 NM_000171 T358A
6 NM_000171 T358A
7 NM_000171 S268R
8 NM_000171 N35P
9 NM_000171 T435F
10 NM_000171 T435F
11 NM_000171 T435F
12 NM_000171 T435F
13 NM_000171 L368E
14 NM_000171 L368G
15 NM_000171 L374R
16 NM_000171 W421L
17 NM_000171 W421P
18 NM_000171 W421L
19 NM_000171 R371R
20 NM_000171 R371R
21 NM_000171 S268R
22 NM_000171 N35R
23 NM_000171 N35P
24 NM_000171 N35R
25 NM_000171 F271L
26 NM_000171 F271L
27 NM_000171 F271L
28 NM_000171 L368E
29 NM_000171 L374R
30 NM_000171 L374R
31 NM_000171 M157N
32 NM_000171 M157N
33 NM_000171 M157N
34 NM_000171 R371R
35 NM_000171 S268R
36 NM_000171 S268R
37 NM_000171 Y201P
38 NM_000171 Y201P
39 NM_000171 Y201P
40 NM_000171 Y201P
41 NM_000171 F271L
42 NM_000171 L368G
43 NM_000171 Y397S
44 NM_000171 Y397G
45 NM_000171 Y397S
46 NM_000171 Y397G
47 NM_000171 M157N
48 NM_000171 R371R
将是这样一个子集。我想我可以做这个manuall,但是我在后面的数据集中设想了V1更独特的价值。有谁知道如何基于V1的不同值自动生成此数据框的子集?
谢谢
太容易了哈哈。谢谢。我试图循环。 – brucezepplin 2014-10-30 14:05:13
是的,第二部分真的很有帮助 - 我已经使用过了。 – brucezepplin 2014-10-31 14:30:43