Thank you, for the reply. How can we group the user.
On Thu, Jun 13, 2013 at 3:41 PM, Ted Dunning <[email protected]> wrote: > [image: Boxbe] <https://www.boxbe.com/overview> This message is eligible > for Automatic Cleanup! ([email protected]) Add cleanup > rule<https://www.boxbe.com/popup?url=https%3A%2F%2Fwww.boxbe.com%2Fcleanup%3Ftoken%3DGYex%252FPN%252FsEWDwuSs%252F9AS43g45aYbNc1OMuaZA7xu3TRldhNItvxAspHuwKeaedBKYvZ5Ah5DVIK7%252F%252B0qQSbX3CvYa7lvPle4%252BTdcv5k4cI%252BL4yoMK8by1Rm7UhZnW7TcvFw%252FeqoeYWXhz%252BgDPSUIWA%253D%253D%26key%3D0Lbb2Ob2N7oax0oxeBQTRLmrOCps42qosLO9Gh82kvs%253D&tc_serial=14367563490&tc_rand=1983549237&utm_source=stf&utm_medium=email&utm_campaign=ANNO_CLEANUP_ADD&utm_content=001>| > More > info<http://blog.boxbe.com/general/boxbe-automatic-cleanup?tc_serial=14367563490&tc_rand=1983549237&utm_source=stf&utm_medium=email&utm_campaign=ANNO_CLEANUP_ADD&utm_content=001> > > You need to group by user before converting to vector to get sensible > clustering. > > > On Wed, Jun 12, 2013 at 1:06 PM, Grant Ingersoll <[email protected] > >wrote: > > > The CSVVectorIterator in the Integration package will take in a CSV file > > and produce vectors. It assumes that each row is the equivalent of a > > DenseVector (does MovieLens fit that?) If you need otherwise, I'd > suggest > > starting with the code and modifying to fit your needs. > > > > > > -Grant > > > > On Jun 12, 2013, at 6:11 AM, Neetha <[email protected]> wrote: > > > > > Hi, > > > > > > > > > I am using 1m movielens. > > > > > > I need to run the K-means clustering using mahout and hadoop. Actually, > > > 1st step in the clustering is to convert into a sequence file, then > into > > > vector format and then apply the clustering algorithm. My doubt is, Is > > > there any need to convert the movielens rating.csv file into a sequence > > > file. If needed what are the commands for applying clustering technique > > > using mahout and the hadoop. > > > > > > Thanking you, > > > Neetha Suan Thampi > > > > -------------------------------------------- > > Grant Ingersoll | @gsingers > > http://www.lucidworks.com > > > > > > > > > > > > > >
