Convert edge data frame to adjacency matrix

Usage

to_matrix(edges, symmetric = TRUE)

Arguments

edges: A data frame with from, to, weight columns.
symmetric: Logical. If TRUE (default), produces a symmetric matrix.

Value

A sparse Matrix.

Examples

data(biblio_data)
edges <- reference_network(biblio_data, min_occur = 2)
to_matrix(edges)
#> 11 x 11 sparse Matrix of class "dgCMatrix"
#>   [[ suppressing 11 column names ‘R1’, ‘R10’, ‘R2’ ... ]]
#>                          
#> R1  . 1 3 1 1 2 . . 1 . .
#> R10 1 . 1 . . 1 1 . . 1 1
#> R2  3 1 . 2 1 3 . 1 3 . 1
#> R3  1 . 2 . 2 2 1 . 4 3 .
#> R4  1 . 1 2 . . . . 3 2 .
#> R5  2 1 3 2 . . . . 1 . .
#> R6  . 1 . 1 . . . . 1 2 1
#> R7  . . 1 . . . . . 2 . 1
#> W1  1 . 3 4 3 1 1 2 . 3 1
#> W2  . 1 . 3 2 . 2 . 3 . 1
#> W3  . 1 1 . . . 1 1 1 1 .