## All functions

abstract_graph()

Create an abstract graph object

appr()

Approximate personalized pageranks

appr_rtweet()

Convenience function to run aPPR via rtweet

check()

Check if a node an abstract graph is acceptable for inclusion in PPR

neighborhood()

Get the neighborhood of a node in a graph

node_degrees()

Get the in-degree and out-degree of nodes in an abstract graph

rtweet_graph()

Create an abstract representation of the Twitter friendship graph

Tracker

R6 class to manage personalized pagerank calculations

update(<Tracker>)

Update a Tracker object