kmeans centroid using or function

[Masoud Moshref Javadi]

I want to run kmeans on binary data and the definition of centroid for 
my application is the Or() of bits of all points inside a cluster.
Where, in Mahout, should I change?

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Masoud Moshref Javadi
Computer Engineering PhD Student
Ming Hsieh Department of Electrical Engineering
University of Southern California