*disclaimer
639289
as.data.frame() 行列データをデータフレームとして扱えるようにする
> matrix(rnorm(20),10)
[,1] [,2]
[1,] 1.2642709 0.40845275
[2,] -0.2550768 2.84615911
[3,] 1.1184453 1.82122937
[4,] 0.7177743 0.46157298
[5,] -0.7636240 0.18649371
[6,] -1.6880682 1.09607064
[7,] 1.0707097 1.27204158
[8,] 2.7192425 0.09982795
[9,] 1.5079816 -1.22006999
[10,] 0.1532460 -0.26429986
> as.data.frame(matrix(rnorm(20),10))
V1 V2
1 -2.95717100 1.9471920
2 -0.43985089 -0.6219538
3 -0.61734663 0.1250249
4 0.01641657 2.9194738
5 -1.90443165 0.4637816
6 -1.67740306 1.6186700
7 0.94506705 1.0557857
8 -0.37899424 -0.8025818
9 0.58899355 0.5481681
10 0.81805886 -1.5261921
https://sugiura-ken.org/wiki/