Functions

Functional interface to graph methods and assorted utilities.

Graph

degree(G[, nbunch, t])	Return the degree of a node or nodes at time t.
degree_histogram(G[, t])	Return a list of the frequency of each degree value.
density(G[, t])	Return the density of a graph at timestamp t.
create_empty_copy(G[, with_data])	Return a copy of the graph G with all of the edges removed.
is_directed(G)	Return True if graph is directed.
add_star(G, nodes, t, **attr)	Add a star at time t.
add_path(G, nodes, t, **attr)	Add a path at time t.
add_cycle(G, nodes, t, **attr)	Add a cycle at time t.

Nodes

nodes(G[, t])	Return a list of the nodes in the graph at a given snapshot.
number_of_nodes(G[, t])	Return the number of nodes in the t snpashot of a dynamic graph.
all_neighbors(graph, node[, t])	Returns all of the neighbors of a node in the graph at time t.
non_neighbors(graph, node[, t])	Returns the non-neighbors of the node in the graph at time t.

Interactions

interactions(G[, nbunch, t])	Return the list of edges present in a given snapshot.
number_of_interactions(G[, u, v, t])	Return the number of edges between two nodes at time t.
non_interactions(graph[, t])	Returns the non-existent edges in the graph at time t.

Freezing graph structure

freeze(G)	Modify graph to prevent further change by adding or removing nodes or edges.
is_frozen(G)	Return True if graph is frozen.

Snapshots and Interaction Stream

stream_interactions(G)	Generate a temporal ordered stream of interactions.
time_slice(G, t_from[, t_to])	Return an iterator for (node, degree) at time t.
temporal_snapshots_ids(G)	Return the ordered list of snapshot ids present in the dynamic graph.
interactions_per_snapshots(G[, t])	Return the number of interactions within snapshot t.
inter_event_time_distribution(G[, u, v])	Return the distribution of inter event time.