graphlab-code/how-to — pull request #15 by papayawarrior (2014-11-18 22:49:46+00:00)
Title: Add how-to for finding the top-k rows within a grouping variable.

Requested by Danny, following a forum question and response:

http://forum.graphlab.com/discussion/661/good-approach-to-get-top-n-records-within-each-group#latest