Thank you for the reply. At Ted: if we are talking in the sense of a millions of users there will be a millions of cluster , do this clustering be feasible.
On Fri, Jun 14, 2013 at 1:27 AM, Ted Dunning <ted.dunn...@gmail.com> wrote: > [image: Boxbe] <https://www.boxbe.com/overview> This message is eligible > for Automatic Cleanup! (ted.dunn...@gmail.com) Add cleanup > rule<https://www.boxbe.com/popup?url=https%3A%2F%2Fwww.boxbe.com%2Fcleanup%3Ftoken%3DUidJJCGBsgyNZdyg04nO%252BNvneXvGTMg50O7JlejSkQAOd91gWBRYa6rImYY52P8PP2QNQf2o6SMVPDmLny0W8ELvhxQpm7qeEdJw16b0QIVsH6MiPq6MiWqm4aWRqUNMYY3hHYtjfotF2DiEYRkFXQ%253D%253D%26key%3D5eB29OSPchFmdH044S6TA0UftcTY%252FTd7ebJrWBroYQA%253D&tc_serial=14371471469&tc_rand=1859759626&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=14371471469&tc_rand=1859759626&utm_source=stf&utm_medium=email&utm_campaign=ANNO_CLEANUP_ADD&utm_content=001> > > Thanks Grant. Exactly correct. > > Some pig or hive action is indicated here. Or write a map-reduce where the > reducer does the vector generation. > > > > On Thu, Jun 13, 2013 at 7:13 PM, Grant Ingersoll <gsing...@apache.org > >wrote: > > > I think Ted was implying just write a script to aggregate the Movielens > > data by user id. Should be pretty straightforward. > > > > On Jun 13, 2013, at 10:05 AM, Neetha <netasu...@gmail.com> wrote: > > > > > Thank you, for the reply. How can we group the user. > > > > > > > > > On Thu, Jun 13, 2013 at 3:41 PM, Ted Dunning <ted.dunn...@gmail.com> > > wrote: > > > > > >> [image: Boxbe] <https://www.boxbe.com/overview> This message is > > eligible > > >> for Automatic Cleanup! (ted.dunn...@gmail.com) 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 <gsing...@apache.org > > >>> 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 <netasu...@gmail.com> 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 > > >>> > > >>> > > >>> > > >>> > > >>> > > >>> > > >> > > >> > > > > -------------------------------------------- > > Grant Ingersoll | @gsingers > > http://www.lucidworks.com > > > > > > > > > > > > > >
