trigraph_from_mat: Transforming two matrices into an igraph object.

In ILSM: Analyze Interconnection Structure of Tripartite Interaction Networks

Transforming two matrices into an igraph object.

Description

Transform two matrices into an igraph object.

Usage

trigraph_from_mat(mat1, mat2, weighted = FALSE)

Arguments

mat1	A numeric matrix representing the first subnetwork. Rows should be the shared set of species.
mat2	A numeric matrix representing the second subnetwork. Rows should be the shared set of species.
weighted	Logical. Default to FALSE. If TRUE, a weighted measure is provided.

Details

In this package, a tripartite network contains three groups of nodes (a-nodes,b-nodes,c-nodes) and two subnetworks (P includes the links between a-nodes and b-nodes, Q includes the links between b-nodes and c-nodes). Connector nodes belong to b-nodes. Please make sure the rows of mat1 and mat2 both represent the groups of connector species,i.e, the b-group species. If both matrices have row names, then the function matches row names to define connector nodes. Otherwise, row numbers are assigned to row names and matched, which might produce an incorrected network. Within the two matrices (P and Q), columns represents a-group nodes and c-group nodes respectively. Elements in matrices are non-zero values if two nodes are linked with or without weights, and 0 otherwise.

Value

Return a network of type "igraph".

Examples

set.seed(12)
MAT <- build_toy_net(11,22,21,0.2,output_matrices=TRUE)
M <- trigraph_from_mat((MAT[[3]]),MAT[[4]])
M

ILSM documentation built on Aug. 8, 2025, 7:42 p.m.