fix explain params

mengxr · mengxr · commit 94fd98e94ebf · 2015-04-08T17:21:19.000-07:00
diff --git a/mllib/src/main/scala/org/apache/spark/ml/param/params.scala b/mllib/src/main/scala/org/apache/spark/ml/param/params.scala
@@ -136,7 +136,7 @@ trait Params extends Identifiable with Serializable {
     val valueStr = if (isDefined(param)) {
       val defaultValueStr = getDefault(param).map("default: " + _)
       val currentValueStr = get(param).map("current: " + _)
-      (defaultValueStr ++ currentValueStr).flatten.mkString("(", ", ", ")")
+      (defaultValueStr ++ currentValueStr).mkString("(", ", ", ")")
     } else {
       "(undefined)"
     }

Original file line number	Diff line number	Diff line change
`@@ -136,7 +136,7 @@ trait Params extends Identifiable with Serializable {`
`136`	`136`	`val valueStr = if (isDefined(param)) {`
`137`	`137`	`val defaultValueStr = getDefault(param).map("default: " + _)`
`138`	`138`	`val currentValueStr = get(param).map("current: " + _)`
`139`		`- (defaultValueStr ++ currentValueStr).flatten.mkString("(", ", ", ")")`
	`139`	`+ (defaultValueStr ++ currentValueStr).mkString("(", ", ", ")")`
`140`	`140`	`} else {`
`141`	`141`	`"(undefined)"`
`142`	`142`	`}`