Updated and new notebooks for coherence#1431

Merged

menshikh-iv merged 4 commits intopiskvorky:developfrom macks22:coherence_notebook_updates

Jun 22, 2017

+867-509

Commits on Jun 18, 2017

update topic coherence tutorial notebook
Sweeney, Mack
committed
update topic coherence movies benchmark notebook to reflect the recent coherence optimizations
Sweeney, Mack
committed

Commits on Jun 19, 2017

a few minor updates to the text of the topic coherence benchmark on the movies dataset
Sweeney, Mack
committed
add new notebook demonstrating use of the CoherenceModel for model selection
Sweeney, Mack
committed