diff options
Diffstat (limited to 'mllib')
| -rw-r--r-- | mllib/src/main/scala/org/apache/spark/ml/regression/LinearRegression.scala | 2 |
1 files changed, 1 insertions, 1 deletions
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 0a4d98cab6..0477f71f32 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 @@ -263,7 +263,7 @@ class LinearRegression @Since("1.3.0") (@Since("1.3.0") override val uid: String } // if y is constant (rawYStd is zero), then y cannot be scaled. In this case - // setting yStd=1.0 ensures that y is not scaled anymore in l-bfgs algorithm. + // setting yStd=abs(yMean) ensures that y is not scaled anymore in l-bfgs algorithm. val yStd = if (rawYStd > 0) rawYStd else math.abs(yMean) val featuresMean = featuresSummarizer.mean.toArray val featuresStd = featuresSummarizer.variance.toArray.map(math.sqrt) |