append_edge_lists {chessboard}

Append several edge lists

Description

Appends several edge lists created by create_edge_list(). Merged edges will be ordered and duplicates will be removed.

Usage

append_edge_lists(...)

Arguments

...

one or several edge lists data.frame. Outputs of the function create_edge_list().

Value

A data.frame with n rows (where n is the total number of edges) and the following two columns:

• from: the node label of one of the two endpoints of the edge

• to: the node label of the other endpoint of the edge

Examples

library("chessboard")

# Two-dimensional sampling (only) ----
sites_infos <- expand.grid("transect" = 1:3, "quadrat" = 1:5)

nodes <- create_node_labels(data     = sites_infos, 
                            transect = "transect", 
                            quadrat  = "quadrat")

edges_1 <- create_edge_list(nodes, method = "pawn", directed = TRUE)
edges_2 <- create_edge_list(nodes, method = "bishop", directed = TRUE)

edges <- append_edge_lists(edges_1, edges_2)