Github user jkbradley commented on a diff in the pull request: https://github.com/apache/spark/pull/20829#discussion_r175910188 --- Diff: mllib/src/main/scala/org/apache/spark/ml/feature/VectorAssembler.scala --- @@ -136,34 +172,88 @@ class VectorAssembler @Since("1.4.0") (@Since("1.4.0") override val uid: String) @Since("1.6.0") object VectorAssembler extends DefaultParamsReadable[VectorAssembler] { + private[feature] val SKIP_INVALID: String = "skip" + private[feature] val ERROR_INVALID: String = "error" + private[feature] val KEEP_INVALID: String = "keep" + private[feature] val supportedHandleInvalids: Array[String] = + Array(SKIP_INVALID, ERROR_INVALID, KEEP_INVALID) + + + private[feature] def getLengthsFromFirst(dataset: Dataset[_], --- End diff -- scala style: For multiline class and method headers, put the first argument on the next line, with +4 space indentation
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