http://spark.apache.org/docs/0.9.0/mllib-guide.html#collaborative-filtering-1
One thing which is undocumented: the integers representing users and items have to be positive. Otherwise it throws exceptions. Li On 28 avr. 2014, at 10:30, Diana Carroll <dcarr...@cloudera.com> wrote: > Hi everyone. I'm trying to run some of the Spark example code, and most of > it appears to be undocumented (unless I'm missing something). Can someone > help me out? > > I'm particularly interested in running SparkALS, which wants parameters: > M U F iter slices > > What are these variables? They appear to be integers and the default values > are 100, 500 and 10 respectively but beyond that...huh? > > Thanks! > > Diana