Hi all,
I have a problem selecting some rows from a random data.
I'd like to select the same rows (before 0) .
For example:
A
[1] 0
[2] 1
[3] 2
[4] 0
[5] 1
[6] 0
[7] 1
[8] 2
[9] 3
[10] 4
I'd like to select the row where a = 2 1 4
I searched on the search of the R site but I did'nt find anything of simple.
Can someone help me?
Thank you very much
Seangduan
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