Remove duplicate edges from an edge sequence

Remove duplicate edges from an edge sequence

Usage

# S3 method for igraph.es
unique(x, incomparables = FALSE, ...)

Arguments

x

An edge sequence.

incomparables

a vector of values that cannot be compared. Passed to base function duplicated. See details there.

...

Passed to base function duplicated().

Value

An edge sequence with the duplicate vertices removed.

See also

Other vertex and edge sequence operations: c.igraph.es(), c.igraph.vs(), difference.igraph.es(), difference.igraph.vs(), igraph-es-indexing, igraph-es-indexing2, igraph-vs-indexing, igraph-vs-indexing2, intersection.igraph.es(), intersection.igraph.vs(), rev.igraph.es(), rev.igraph.vs(), union.igraph.es(), union.igraph.vs(), unique.igraph.vs()

Examples

g <- make_(ring(10), with_vertex_(name = LETTERS[1:10]))
E(g)[1, 1:5, 1:10, 5:10]
#> + 22/10 edges from 2036b44 (vertex names):
#>  [1] A--B A--B B--C C--D D--E E--F A--B B--C C--D D--E E--F F--G G--H H--I I--J
#> [16] A--J E--F F--G G--H H--I I--J A--J
E(g)[1, 1:5, 1:10, 5:10] %>% unique()
#> + 10/10 edges from 2036b44 (vertex names):
#>  [1] A--B B--C C--D D--E E--F F--G G--H H--I I--J A--J