Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/1515#discussion_r15196775
--- Diff: examples/src/main/scala/org/apache/spark/examples/SparkLR.scala
---
@@ -47,12 +48,23 @@ object SparkLR {
Array.tabulate(N)(generatePoint)
}
+ def showWarning() {
+ System.err.println(
+ """WARNING: THIS IS A NAIVE IMPLEMENTATION OF LOGISTIC REGRESSION
AND IS GIVEN AS AN EXAMPLE!
+ |PLEASE USE THE LogisticRegression METHOD FOUND IN
org.apache.spark.mllib.classification FOR
+ |MORE CONVENTIONAL USE
+ """.stripMargin)
+ }
+
def main(args: Array[String]) {
+ showWarning()
+
val sparkConf = new SparkConf().setAppName("SparkLR")
val sc = new SparkContext(sparkConf)
val numSlices = if (args.length > 0) args(0).toInt else 2
val points = sc.parallelize(generateData, numSlices).cache()
+
--- End diff --
remove extra empty line
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