is_migraph: Tests whether network is migraph-compatible
 
is_graph: Tests whether network contains graph-level information
 
is_edgelist: Tests whether data frame is an edgelist
 
is_twomode: Tests whether network is a two-mode network
 
is_weighted: Tests whether network is weighted
 
is_directed: Tests whether network is directed
 
is_labelled: Tests whether network includes names for the nodes
 
is_signed: Tests whether network is signed positive/negative
 
is_connected: Tests whether network is (weakly/strongly) connected
 
is_complex: Tests whether network contains any loops
 
is_multiplex: Tests whether network is multiplex,
either from multiple rows with the same sender and receiver,
or multiple columns to the edgelist.
 
is_uniplex: Tests whether network is simple (both uniplex and simplex)
 
is_acyclic: Tests whether network is a directed acyclic graph