Seems like this should have been committed for Mahout-1289.
________________________________ From: Sean Owen <sro...@gmail.com> To: Mahout Dev List <dev@mahout.apache.org> Sent: Tuesday, July 30, 2013 3:30 AM Subject: Missing VectorSumCombiner I'm not sure which of the recent commits might be relevant to this, but right now looks like we're missing a class called VectorSumCombiner. Probably just overlooked in a recent commit, but it's needed to compile.
