aaa=c(1,1,1,2,5,1,2,1,1,3,1,1,1,1,1,1,4)
bbb=c(4,4,4,4,3,3,3,3,2,2,2,2,3,4,5,6,7)
ccc=cbind(aaa,bbb)

ddd1
     aaa bbb
[1,]   1   4
[2,]   1   4
[3,]   1   4

ddd2
aaa bbb
  1   3

ddd3
     aaa bbb
[1,]   1   3
[2,]   1   2

ddd4
     aaa bbb
[1,]   1   2
[2,]   1   2
[3,]   1   3
[4,]   1   4
[5,]   1   5
[6,]   1   6