duplicated()
> test.df
V1 V2 V3 V4 V5 V6 V7
1 -115.380 32.894 195 162.940 D 8419 D
2 -115.432 32.864 115 208.910 D 8419 D
3 -115.447 32.773 1170 264.570 D 8419 D
4 -115.447 32.773 1170 264.570 D 8419 D
5 -115.447 32.773 1170 264.570 D 8419 D
6 -115.447 32.773 1170 264.570 D 8419 D
7 -115.447 32.773 149 186.210 D 8419 D
8 -115.466 32.855 114 205.630 D 8419 D
9 -115.473 32.800 1121 207.469 D 8419 D
> test.df[!duplicated(test.df),]
V1 V2 V3 V4 V5 V6 V7
1 -115.380 32.894 195 162.940 D 8419 D
2 -115.432 32.864 115 208.910 D 8419 D
3 -115.447 32.773 1170 264.570 D 8419 D
7 -115.447 32.773 149 186.210 D 8419 D
8 -115.466 32.855 114 205.630 D 8419 D
9 -115.473 32.800 1121 207.469 D 8419 D
On 24-Aug-09, at 11:23 AM, Mehdi Khan wrote:
Hello everyone, when I run the "unique" command on my data frame,
it deletes
the majority of duplicate rows, but not all of them. Here is a
sample of my
data. How do I get it to delete all the rows?
6 -115.38 32.894 195 162.94 D 8419 D
7 -115.432 32.864 115 208.91 D 8419 D
8 -115.447 32.773 1170 264.57 D 8419 D
9 -115.447 32.773 1170 264.57 D 8419 D
10 -115.447 32.773 1170 264.57 D 8419 D
11 -115.447 32.773 1170 264.57 D 8419 D
12 -115.447 32.773 149 186.21 D 8419 D
13 -115.466 32.855 114 205.63 D 8419 D
14 -115.473 32.8 1121 207.469 D 8419 D
Thanks a bunch!
Mehdi Khan
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