append_edge_lists       Append several edge lists
append_matrix           Combine several connectivity matrices
bishop                  Find neighbors according to bishop movement
bishop_left             Find neighbors according to bishop left
                        movement
bishop_right            Find neighbors according to bishop right
                        movement
connectivity_matrix     Create a connectivity matrix from an edge list
create_edge_list        Create an edge list
create_node_labels      Create unique node labels
distance_euclidean      Compute the pairwise Euclidean distance
edges_to_sf             Convert edge list to spatial object
edges_weights_matrix    Create an edges weights matrix
edges_weights_vector    Create an edges weights vector
fool                    Find neighbors according to fool movement
geom_edges              Link neighbors by arrow on a chessboard
geom_neighbors          Highlight neighbors on a chessboard
geom_node               Highlight a node on a chessboard
get_node_list           Get the list of nodes
gg_chessboard           Plot a sampling as a chessboard
gg_matrix               Plot a connectivity or a nodes-by-edges matrix
knight                  Find neighbors according to knight movement
knight_left             Find neighbors according to knight left
                        movement
knight_right            Find neighbors according to knight right
                        movement
matrix_to_edge_list     Convert an connectivity matrix to an edge list
nodes_by_edges_matrix   Create a nodes-by-edges matrix
pawn                    Find neighbors according to pawn movement
queen                   Find neighbors according to queen movement
rook                    Find neighbors according to rook movement
spatial_weights_matrix
                        Create a spatial weights matrix
wizard                  Find neighbors according to wizard movement
