Thanks a lot.I solved the problem using string indexer. On Wed, Aug 24, 2016 at 3:40 PM, Praveen Devarao <praveen...@in.ibm.com> wrote:
> You could use the string indexer to convert your string userids and > product ids numeric value. http://spark.apache.org/docs/ > latest/ml-features.html#stringindexer > > Thanking You > ------------------------------------------------------------ > --------------------- > Praveen Devarao > IBM India Software Labs > ------------------------------------------------------------ > --------------------- > "Courage doesn't always roar. Sometimes courage is the quiet voice at the > end of the day saying I will try again" > > > > From: glen <cng...@126.com> > To: "Devi P.V" <devip2...@gmail.com> > Cc: "user@spark.apache.org" <user@spark.apache.org> > Date: 24/08/2016 02:10 pm > Subject: Re: Spark MLlib:Collaborative Filtering > ------------------------------ > > > > Hash it to int > > > > On 2016-08-24 16:28 , *Devi P.V* <devip2...@gmail.com> Wrote: > > Hi all, > I am newbie in collaborative filtering.I want to implement collaborative > filtering algorithm(need to find top 10 recommended products) using Spark > and Scala.I have a rating dataset where userID & ProductID are String type. > > UserID ProductID Rating > b3a68043-c1 p1-160ff5fDS-f74 1 > b3a68043-c2 p5-160ff5fDS-f74 1 > b3a68043-c0 p9-160ff5fDS-f74 1 > > > I tried ALS algorithm using spark MLlib.But it support rating userID & > productID only Integer type.How can I solve this problem? > > Thanks In Advance > > > > >
