Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/3497#discussion_r21005101
--- Diff:
examples/src/main/scala/org/apache/spark/examples/mllib/LinearRegression.scala
---
@@ -49,40 +49,43 @@ object LinearRegression extends App {
regType: RegType = L2,
regParam: Double = 0.01) extends AbstractParams[Params]
- val defaultParams = Params()
-
- val parser = new OptionParser[Params]("LinearRegression") {
- head("LinearRegression: an example app for linear regression.")
- opt[Int]("numIterations")
- .text("number of iterations")
- .action((x, c) => c.copy(numIterations = x))
- opt[Double]("stepSize")
- .text(s"initial step size, default: ${defaultParams.stepSize}")
- .action((x, c) => c.copy(stepSize = x))
- opt[String]("regType")
- .text(s"regularization type (${RegType.values.mkString(",")}), " +
- s"default: ${defaultParams.regType}")
- .action((x, c) => c.copy(regType = RegType.withName(x)))
- opt[Double]("regParam")
- .text(s"regularization parameter, default:
${defaultParams.regParam}")
- arg[String]("<input>")
- .required()
- .text("input paths to labeled examples in LIBSVM format")
- .action((x, c) => c.copy(input = x))
- note(
- """
+ def main(args: Array[String]) {
+ val defaultParams = Params()
+
+ val parser = new OptionParser[Params]("LinearRegression") {
+ head("LinearRegression: an example app for linear regression.")
+ opt[Int]("numIterations")
+ .text("number of iterations")
+ .action((x, c) => c.copy(numIterations = x))
+ opt[Double]("stepSize")
+ .text(s"initial step size, default: ${defaultParams.stepSize}")
+ .action((x, c) => c.copy(stepSize = x))
+ opt[String]("regType")
+ .text(s"regularization type (${RegType.values.mkString(",")}), " +
+ s"default: ${defaultParams.regType}")
+ .action((x, c) => c.copy(regType = RegType.withName(x)))
+ opt[Double]("regParam")
+ .text(s"regularization parameter, default:
${defaultParams.regParam}")
+ arg[String]("<input>")
+ .required()
+ .text("input paths to labeled examples in LIBSVM format")
+ .action((x, c) => c.copy(input = x))
+ note(
+ """
|For example, the following command runs this app on a synthetic
dataset:
|
| bin/spark-submit --class
org.apache.spark.examples.mllib.LinearRegression \
| examples/target/scala-*/spark-examples-*.jar \
| data/mllib/sample_linear_regression_data.txt
- """.stripMargin)
- }
+ """.
--- End diff --
Oops, the auto-indent messed that up. Fix coming.
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