Thanks Xiangrui, I used 80 iterations to demonstrates the marginal diminishing return in prediction quality :)
Justin On Apr 2, 2015 00:16, "Xiangrui Meng" <men...@gmail.com> wrote: > I think before 1.3 you also get stackoverflow problem in > ~35 > iterations. In 1.3.x, please use setCheckpointInterval to solve this > problem, which is available in the current master and 1.3.1 (to be > released soon). Btw, do you find 80 iterations are needed for > convergence? -Xiangrui > > On Wed, Apr 1, 2015 at 11:54 PM, Justin Yip <yipjus...@prediction.io> > wrote: > > Hello, > > > > I have been using Mllib's ALS in 1.2 and it works quite well. I have just > > upgraded to 1.3 and I encountered stackoverflow problem. > > > > After some digging, I realized that when the iteration > ~35, I will get > > overflow problem. However, I can get at least 80 iterations with ALS in > 1.2. > > > > Is there any change to the ALS algorithm? And are there any ways to > achieve > > more iterations? > > > > Thanks. > > > > Justin > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@spark.apache.org > For additional commands, e-mail: user-h...@spark.apache.org > >
