Displaying 1 result from an estimated 1 matches for "tp3321985p3321985".
2011 Feb 24
1
split the data
...n but i don't know how to write it out.
2)
I tried to random select the one unique case so I have one group.
id v1 V2
2 1 2 10
4 2 4 12
6 3 6 14
7 4 7 15
How to get the rest of data in other group?
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