From f9c79b136ac41bd91f482a4f948acb780f493516 Mon Sep 17 00:00:00 2001 From: Yanbo Liang Date: Thu, 25 Feb 2016 17:35:57 +0800 Subject: [PATCH] ML LinearRegression should cache standardization param value --- .../org/apache/spark/ml/regression/LinearRegression.scala | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/mllib/src/main/scala/org/apache/spark/ml/regression/LinearRegression.scala b/mllib/src/main/scala/org/apache/spark/ml/regression/LinearRegression.scala index e253f25c0ea65..ccfb5c4b9d697 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/regression/LinearRegression.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/regression/LinearRegression.scala @@ -277,8 +277,9 @@ class LinearRegression @Since("1.3.0") (@Since("1.3.0") override val uid: String val optimizer = if ($(elasticNetParam) == 0.0 || effectiveRegParam == 0.0) { new BreezeLBFGS[BDV[Double]]($(maxIter), 10, $(tol)) } else { + val standardizationParam = $(standardization) def effectiveL1RegFun = (index: Int) => { - if ($(standardization)) { + if (standardizationParam) { effectiveL1RegParam } else { // If `standardization` is false, we still standardize the data