[ 
https://issues.apache.org/jira/browse/SPARK-14300?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Xusen Yin updated SPARK-14300:
------------------------------
    Description: 
Duplicated code that I found in scala/examples/mllib:

* scala/mllib
** DecisionTreeRunner.scala 
** DenseGaussianMixture.scala
** DenseKMeans.scala
** GradientBoostedTreesRunner.scala
** LDAExample.scala
** LinearRegression.scala
** SparseNaiveBayes.scala
** StreamingLinearRegression.scala
** StreamingLogisticRegression.scala
** TallSkinnyPCA.scala
** TallSkinnySVD.scala

When merging and cleaning those code, be sure not disturb the previous example 
on and off blocks.

  was:
Duplicated code that I found in scala/examples/ml:

* scala/ml
** CrossValidatorExample.scala --> ModelSelectionViaCrossValidationExample
** DecisionTreeExample.scala --> DecisionTreeRegressionExample, 
DecisionTreeClassificationExample
** GBTExample.scala --> GradientBoostedTreeClassifierExample, 
GradientBoostedTreeRegressorExample
** LinearRegressionExample.scala --> LinearRegressionWithElasticNetExample
** LogisticRegressionExample.scala --> LogisticRegressionWithElasticNetExample, 
LogisticRegressionSummaryExample
** RandomForestExample.scala --> RandomForestRegressorExample, 
RandomForestClassifierExample
** TrainValidationSplitExample.scala --> 
ModelSelectionViaTrainValidationSplitExample

When merging and cleaning those code, be sure not disturb the previous example 
on and off blocks. I'll take this one as an example. 


> Scala MLlib examples code merge and clean up
> --------------------------------------------
>
>                 Key: SPARK-14300
>                 URL: https://issues.apache.org/jira/browse/SPARK-14300
>             Project: Spark
>          Issue Type: Sub-task
>          Components: Examples
>            Reporter: Xusen Yin
>            Priority: Minor
>              Labels: starter
>
> Duplicated code that I found in scala/examples/mllib:
> * scala/mllib
> ** DecisionTreeRunner.scala 
> ** DenseGaussianMixture.scala
> ** DenseKMeans.scala
> ** GradientBoostedTreesRunner.scala
> ** LDAExample.scala
> ** LinearRegression.scala
> ** SparseNaiveBayes.scala
> ** StreamingLinearRegression.scala
> ** StreamingLogisticRegression.scala
> ** TallSkinnyPCA.scala
> ** TallSkinnySVD.scala
> When merging and cleaning those code, be sure not disturb the previous 
> example on and off blocks.



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