lib/rgraph/graph.rb in rgraph-0.0.4 vs lib/rgraph/graph.rb in rgraph-0.0.5

@@ -35,9 +35,17 @@
 
   def each_link(&block)
     @links.each(&block)
   end
 
+  def degrees
+    @nodes.map{|node| node.degree}
+  end
+
+  def average_degree
+    degrees.inject(:+) / @nodes.size.to_f
+  end
+
   private
 
   def get_node_by_id(node_id)
     @nodes.select{|n| n.id == node_id}.first
   end