Spark Decision Tree Learner (MLlib)

This node applies the Apache Spark Decision / Regression Tree algorithm.

Please note that all data must be numeric, including the label column for classification tasks. Use the Spark Category To Number nodes to convert nominal values to numeric columns. The mapping dictionary of the converter node is the input of the second in port of this node.

Use the Spark Predictor node to apply the learned model to unseen data.

Input ports

1. Type: Spark Data
   Input data
   Input Spark DataFrame/RDD
2. Type: PMML
   PMML mapping dictionary
   PMML with the nominal values mapping dictionary (optional)

Output ports

1. Type: Spark MLlib Model
   Decision Tree Model
   Spark MLlib Decision Tree Model