Debasish Das writes: > If the SVM is not already migrated to BFGS, that's the first thing you should > try...Basically following LBFGS Logistic Regression come up with LBFGS based > linear SVM... > > About integrating TRON in mllib, David already has a version of TRON in > breeze > but someone needs to validate it for linear SVM and do experiment to see if > it > can improve upon LBFGS based linear SVM...Based on lib-linear papers, it > should > but I don't expect substantial difference... > > I am validating TRON for use-cases related to this PR (but I need more > features > on top of TRON): > > https://github.com/apache/spark/pull/2705 >
We are also working on integrating TRON to MLlib, though we haven't cheked the above work. We are also doing some serious comparison between quasi Newton and Newton, though this will take some time Chih-Jen > On Fri, Oct 24, 2014 at 2:09 PM, k.tham <kevins...@gmail.com> wrote: > > Just wondering, any update on this? Is there a plan to integrate CJ's > work > with mllib? I'm asking since SVM impl in MLLib did not give us good > results > and we have to resort to training our svm classifier in a serial manner > on > the driver node with liblinear. > > Also, it looks like CJ Lin is coming to the bay area in the coming weeks > (http://www.meetup.com/sfmachinelearning/events/208078582/) might be a > good > time to connect with him. > > -- > View this message in context: http:// > apache-spark-user-list.1001560.n3.nabble.com/ > Spark-LIBLINEAR-tp5546p17236.html > Sent from the Apache Spark User List mailing list archive at Nabble.com. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@spark.apache.org > For additional commands, e-mail: user-h...@spark.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@spark.apache.org For additional commands, e-mail: user-h...@spark.apache.org
