Github user dbtsai commented on a diff in the pull request: https://github.com/apache/spark/pull/1104#discussion_r13897737 --- Diff: mllib/src/main/scala/org/apache/spark/mllib/optimization/LBFGS.scala --- @@ -38,10 +38,10 @@ import org.apache.spark.mllib.linalg.{Vectors, Vector} class LBFGS(private var gradient: Gradient, private var updater: Updater) extends Optimizer with Logging { - private var numCorrections = 10 - private var convergenceTol = 1E-4 - private var maxNumIterations = 100 - private var regParam = 0.0 + private var numCorrections: Int = 10 + private var convergenceTol: Double = 1E-4 + private var maxNumIterations: Int = 100 + private var regParam: Double = 0.0 --- End diff -- In most of the mllib codebase, we don't specify the type of variable. Can you remove them?
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