adjacencyMatrix

Compute an Adjacency Matrix for a graphBAM object

Though unwieldy for large matrices, a full adjacency matrix can be useful for debugging and export.

If the graph is “undirected” then recicprocal edges are explicit in the matrix.

Keywords
manip
Usage
adjacencyMatrix(object)
Arguments
object
A graphBAM object.
Details

Thus far only implemented for graphBAM objects.

Value

adjacencyMatrix returns an n x n matrix, where n is the number of nodes in the graph, ordered in the same manner as seen in the nodes method. All cells in the matrix are 0 except where edges are found.

See Also

edgeMatrix

Aliases
  • adjacencyMatrix
  • adjacencyMatrix,graphBAM-method
Examples
  from   <- c("a", "a", "a", "x", "x", "c")
  to     <- c("b", "c", "x", "y", "c", "a")
  weight <- c(3.4, 2.6, 1.7, 5.3, 1.6, 7.9)
  df <- data.frame(from, to, weight)
  g1 <- graphBAM(df, edgemode = "directed")
  adjacencyMatrix(g1)
Documentation reproduced from package graph, version 1.50.0, License: Artistic-2.0

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