igraph


        require(R);
                               

#' package or create network graph and do network analysis.
imports "igraph" from "igraph";

.NET clr type export
graph: Edge	The network graph object model

.NET clr function exports
graph	create a new graph object with the given network edge data and the node properties
V	get graph vertex collection
E	get graph edge collection.
xref	get node reference id list
subgraphFromPoint	extract sub-network from a given network via a specific network node as centroid.
metadata	create meta data for network tabular model.
tabular_graph
gephi_gml
save.network	save the network graph
read.network	load network graph object from a given file location
empty.network	Create a new network graph or clear the given network graph
trim.edges	removes duplicated edges in the network
connected_graph	removes all of the isolated nodes.
node.names	set node data names
degree	Calculate node degree in given graph
compute.network	compute network properties' data
eval	evaluate node/edge property values
delete
add.nodes	a nodes by given label list.
add.node
mass	set or get mass value of the nodes in the given graph
attrs	Set node attribute data
add.edge	add edge link into the given network graph
weight	set edge weight and get edge weights
pushEdges	Add edges by a given node label tuple list
getElementByID	get node elements by given id
group	Make node groups by given type name
class	get/set node class type
vertex	get all nodes in the given graph model
edges	get all edges in the given graph model
has.edge
attributes	get or set element attribute values
selects	Node select by group or other condition
decompose	Decompose a graph into components, Creates a separate graph for each component of a graph.
extract.sub_graph	extract sub graph component by a specific given node group tag data.
components	get subnetwork components directly by test node disconnections
louvain_cluster
MST	Find MST via Kruskal algorithm