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[MINOR][ML] Fix the wrong param name of LDA topicDistributionCol

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## What changes were proposed in this pull request?
Fix the wrong param name of LDA ```topicDistributionCol```.
## How was this patch tested?
No tests.

cc jkbradley

Author: Yanbo Liang <ybliang8@gmail.com>

Closes #12065 from yanboliang/lda-topicDistributionCol.
This commit is contained in:
Yanbo Liang 2016-03-30 14:57:38 -07:00 committed by Joseph K. Bradley
parent 529d6ce8f9
commit 5dc948e812
1 changed files with 1 additions and 1 deletions
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2
mllib/src/main/scala/org/apache/spark/ml/clustering/LDA.scala
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@ -176,7 +176,7 @@ private[clustering] trait LDAParams extends Params with HasFeaturesCol with HasM
* @group param
*/
@Since("1.6.0")
final val topicDistributionCol = new Param[String](this, "topicDistribution", "Output column" +
final val topicDistributionCol = new Param[String](this, "topicDistributionCol", "Output column" +
" with estimates of the topic mixture distribution for each document (often called \"theta\"" +
" in the literature). Returns a vector of zeros for an empty document.")