Retrieve the value of the specified node attribute for every node in the graph.
||typically, a bioc graphNEL)|
||a character string|
A list, the contents of which are the attribute values, the names of which are the names of the nodes.
g <- makeSimpleGraph () noa (g, 'type') # A.A B.B C.C # "kinase" "transcription factor" "glycoprotein"