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authoruncleGen <hustyugm@gmail.com>2017-01-18 09:44:32 +0000
committerSean Owen <sowen@cloudera.com>2017-01-18 09:44:32 +0000
commiteefdf9f9dd8afde49ad7d4e230e2735eb817ab0a (patch)
treeb265b1f01f194765ae90bc973ee4be72e4891c81 /mllib/src/main/scala/org
parent4494cd9716d64a6c7cfa548abadb5dd0c4c143a6 (diff)
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[SPARK-19227][SPARK-19251] remove unused imports and outdated comments
## What changes were proposed in this pull request? remove ununsed imports and outdated comments, and fix some minor code style issue. ## How was this patch tested? existing ut Author: uncleGen <hustyugm@gmail.com> Closes #16591 from uncleGen/SPARK-19227.
Diffstat (limited to 'mllib/src/main/scala/org')
-rw-r--r--mllib/src/main/scala/org/apache/spark/ml/classification/Classifier.scala2
-rw-r--r--mllib/src/main/scala/org/apache/spark/ml/classification/GBTClassifier.scala1
-rw-r--r--mllib/src/main/scala/org/apache/spark/ml/source/libsvm/LibSVMRelation.scala2
3 files changed, 2 insertions, 3 deletions
diff --git a/mllib/src/main/scala/org/apache/spark/ml/classification/Classifier.scala b/mllib/src/main/scala/org/apache/spark/ml/classification/Classifier.scala
index a3da3067e1..8fd6b70d4d 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/classification/Classifier.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/classification/Classifier.scala
@@ -27,7 +27,7 @@ import org.apache.spark.ml.util.{MetadataUtils, SchemaUtils}
import org.apache.spark.rdd.RDD
import org.apache.spark.sql.{DataFrame, Dataset, Row}
import org.apache.spark.sql.functions._
-import org.apache.spark.sql.types.{DataType, DoubleType, StructType}
+import org.apache.spark.sql.types.{DataType, StructType}
/**
* (private[spark]) Params for classification.
diff --git a/mllib/src/main/scala/org/apache/spark/ml/classification/GBTClassifier.scala b/mllib/src/main/scala/org/apache/spark/ml/classification/GBTClassifier.scala
index bb93ba5d9c..c9bbd37a67 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/classification/GBTClassifier.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/classification/GBTClassifier.scala
@@ -37,7 +37,6 @@ import org.apache.spark.mllib.tree.model.{GradientBoostedTreesModel => OldGBTMod
import org.apache.spark.rdd.RDD
import org.apache.spark.sql.{DataFrame, Dataset, Row}
import org.apache.spark.sql.functions._
-import org.apache.spark.sql.types.DoubleType
/**
* Gradient-Boosted Trees (GBTs) (http://en.wikipedia.org/wiki/Gradient_boosting)
diff --git a/mllib/src/main/scala/org/apache/spark/ml/source/libsvm/LibSVMRelation.scala b/mllib/src/main/scala/org/apache/spark/ml/source/libsvm/LibSVMRelation.scala
index 89bbc1556c..100b4bbe22 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/source/libsvm/LibSVMRelation.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/source/libsvm/LibSVMRelation.scala
@@ -25,7 +25,7 @@ import org.apache.hadoop.mapreduce.{Job, TaskAttemptContext}
import org.apache.spark.TaskContext
import org.apache.spark.ml.feature.LabeledPoint
-import org.apache.spark.ml.linalg.{Vector, Vectors, VectorUDT}
+import org.apache.spark.ml.linalg.{Vectors, VectorUDT}
import org.apache.spark.mllib.util.MLUtils
import org.apache.spark.sql.{Row, SparkSession}
import org.apache.spark.sql.catalyst.InternalRow