Convert Adjacency Key to Character (S3 method)

This S3 method converts an adjacency key object (typically a 2-row matrix or list of pairs) into a character vector, concatenating each pair with ' & '.

Usage

# S3 method for class 'adjacency.key'
as.character(x, ...)

Arguments

x

An adjacency key object (matrix or list) to convert to character.

...

Additional arguments (unused).

Value

A character vector where each element is a concatenation of the adjacency key pair.