If you are using the Mahout's Multinomial Naive Bayes, it should be the same as MLlib's. I tried MLlib with news20.scale downloaded from http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/multiclass.html and the test accuracy is 82.4%. -Xiangrui
On Tue, Sep 9, 2014 at 4:58 AM, jatinpreet <jatinpr...@gmail.com> wrote: > Hi, > > I tried running the classification program on the famous newsgroup data. > This had an even more drastic effect on the accuracy, as it dropped from > ~82% in Mahout to ~72% in Spark MLlib. > > Please help me in this regard as I have to use Spark in a production system > very soon and this is a blocker for me. > > Thanks, > Jatin > > > > ----- > Novice Big Data Programmer > -- > View this message in context: > http://apache-spark-user-list.1001560.n3.nabble.com/Accuracy-hit-in-classification-with-Spark-tp13773p13793.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
