يمكن حفظ مصفوفه (matrix) كملف نصي (txt) او قراءتها في آر R، كما يلي:
> library(MASS)
> x=matrix(1:6, nrow = 2, ncol = 3)
> x
[,1] [,2] [,3]
[1,] 1 3 5
[2,] 2 4 6
> #Write:
> write.matrix(x, file = "matrix.txt", sep = " ")
> #Read:
> new_x = matrix(scan('matrix.txt'), ncol = 3, byrow = TRUE)
Read 6 items
> new_x
[,1] [,2] [,3]
[1,] 1 3 5
[2,] 2 4 6