Remove duplicate edges from an edge sequence
Usage
# S3 method for class '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().
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 51f70a5 (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 51f70a5 (vertex names):
#> [1] A--B B--C C--D D--E E--F F--G G--H H--I I--J A--J