Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/5153#discussion_r27002562
--- Diff: docs/ml-guide.md ---
@@ -185,7 +185,7 @@ val training = sc.parallelize(Seq(
// Create a LogisticRegression instance. This instance is an Estimator.
val lr = new LogisticRegression()
// Print out the parameters, documentation, and any default values.
-println("LogisticRegression parameters:\n" + lr.explainParams() + "\n")
+println(s"LogisticRegression parameters:\n ${lr.explainParams()}")
--- End diff --
Remove space after `\n`. The last `\n` should be preserved to create an
empty line after this block.
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