Description
Converts Tabular Data to Interleaved Vectors.
Description
Converts matrices and lists of matrices into a single vector by interleaving their values. That is, each element of the result vector is filled from the input matrices one row at a time. This is the same as transposing a matrix, then removing the dimension attribute, but is designed to operate on matrices in nested list structures.
README.md
interleave
As the amazing gif shows, interleaving in this context means converting a matrix into a vector, filled in a row-wise manner.
I’m building this library to be the workhorse for converting matrices (and lists of matrices) into single, interleaved vectors, ready for WebGL applications.
Here are some simple examples
( mat1 <- matrix(1:20, ncol = 2, byrow = T) )
# [,1] [,2]
# [1,] 1 2
# [2,] 3 4
# [3,] 5 6
# [4,] 7 8
# [5,] 9 10
# [6,] 11 12
# [7,] 13 14
# [8,] 15 16
# [9,] 17 18
# [10,] 19 20
interleave( mat1 )
# [1] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
( mat2 <- matrix(20:1, ncol = 5, byrow = T) )
# [,1] [,2] [,3] [,4] [,5]
# [1,] 20 19 18 17 16
# [2,] 15 14 13 12 11
# [3,] 10 9 8 7 6
# [4,] 5 4 3 2 1
interleave( mat2 )
# [1] 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
lst <- list( mat1, mat2 )
interleave( lst )
# [1] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 20 19 18 17 16
# [26] 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1