Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/21265#discussion_r192000950
--- Diff: mllib/src/main/scala/org/apache/spark/ml/fpm/PrefixSpan.scala ---
@@ -53,7 +53,7 @@ final class PrefixSpan(@Since("2.4.0") override val uid:
String) extends Params
@Since("2.4.0")
val minSupport = new DoubleParam(this, "minSupport", "The minimal
support level of the " +
"sequential pattern. Sequential pattern that appears more than " +
- "(minSupport * size-of-the-dataset)." +
+ "(minSupport * size-of-the-dataset)" +
--- End diff --
Need a space at the end before "times".
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