- Documentation for the constructor can be found at the following URLs: http://spark.apache.org/docs/latest/api/scala/index.html#org.apache.spark.mllib.tree.GradientBoostedTrees, http://spark.apache.org/docs/latest/api/scala/index.html#org.apache.spark.mllib.tree.configuration.BoostingStrategy, and http://spark.apache.org/docs/latest/api/scala/index.html#org.apache.spark.mllib.tree.model.GradientBoostedTreesModel
- Documentation for the Spark Matrix Evaluator can be found at http://spark.apache.org/docs/latest/api/scala/index.html#org.apache.spark.mllib.evaluation.RegressionMetrics