行ベクトルを与える場合
> rbind(c(1,2,3),c(4,5,6)) # => [,1] [,2] [,3] [1,] 1 2 3 [2,] 4 5 6
列ベクトルを与える場合
> cbind(c(1,2,3),c(4,5,6)) [,1] [,2] [1,] 1 4 [2,] 2 5 [3,] 3 6 >