Apache Spark 2.x Machine Learning Cookbook

See also

Spark's 2.0 documentation for OneVsRest() can be found at:

http://spark.apache.org/docs/latest/api/scala/index.html#org.apache.spark.ml.classification.OneVsRest

Another way to visualize this is, to assess for a given binary classifier can we break down an n-class input into N number of logistic regressions and then pick the one that describes the data the best. There are numerous examples of this classifier using Scikit Learn library in Python as follows:

http://scikit-learn.org/stable/modules/generated/sklearn.multiclass.OneVsOneClassifier.html#sklearn.multiclass.OneVsOneClassifier

But we recommend you do a quick scan of the actual Scala source code (less than 400 lines only) at GitHub:

https://github.com/apache/spark/blob/v2.0.2/mllib/src/main/scala/org/apache/spark/ml/classification/OneVsRest.scala ...