zhengruifeng created SPARK-15398:
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             Summary: Update the warning message to recommend ML usage
                 Key: SPARK-15398
                 URL: https://issues.apache.org/jira/browse/SPARK-15398
             Project: Spark
          Issue Type: Improvement
          Components: ML
            Reporter: zhengruifeng
            Priority: Minor


update the warning message in example, and recommend user to use ML instead of 
MLlib
from
{{code}}
  def showWarning() {
    System.err.println(
      """WARN: This is a naive implementation of Logistic Regression and is 
given as an example!
        |Please use either 
org.apache.spark.mllib.classification.LogisticRegressionWithSGD or
        |org.apache.spark.mllib.classification.LogisticRegressionWithLBFGS
        |for more conventional use.
      """.stripMargin)
  }
{{code}}
to
{{code}}
  def showWarning() {
    System.err.println(
      """WARN: This is a naive implementation of Logistic Regression and is 
given as an example!
        |Please use org.apache.spark.ml.classification.LogisticRegression
        |for more conventional use.
      """.stripMargin)
  }
{{code}}



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