From 50a4fa774a0e8a17d7743b33ce8941bf4041144d Mon Sep 17 00:00:00 2001 From: Xiangrui Meng Date: Mon, 8 Sep 2014 18:59:57 -0700 Subject: [SPARK-3443][MLLIB] update default values of tree: Adjust the default values of decision tree, based on the memory requirement discussed in https://github.com/apache/spark/pull/2125 : 1. maxMemoryInMB: 128 -> 256 2. maxBins: 100 -> 32 3. maxDepth: 4 -> 5 (in some example code) jkbradley Author: Xiangrui Meng Closes #2322 from mengxr/tree-defaults and squashes the following commits: cda453a [Xiangrui Meng] fix tests 5900445 [Xiangrui Meng] update comments 8c81831 [Xiangrui Meng] update default values of tree: --- .../scala/org/apache/spark/examples/mllib/DecisionTreeRunner.scala | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'examples/src/main/scala') diff --git a/examples/src/main/scala/org/apache/spark/examples/mllib/DecisionTreeRunner.scala b/examples/src/main/scala/org/apache/spark/examples/mllib/DecisionTreeRunner.scala index cf3d2cca81..72c3ab475b 100644 --- a/examples/src/main/scala/org/apache/spark/examples/mllib/DecisionTreeRunner.scala +++ b/examples/src/main/scala/org/apache/spark/examples/mllib/DecisionTreeRunner.scala @@ -52,9 +52,9 @@ object DecisionTreeRunner { input: String = null, dataFormat: String = "libsvm", algo: Algo = Classification, - maxDepth: Int = 4, + maxDepth: Int = 5, impurity: ImpurityType = Gini, - maxBins: Int = 100, + maxBins: Int = 32, fracTest: Double = 0.2) def main(args: Array[String]) { -- cgit v1.2.3