GitHub user dongjoon-hyun opened a pull request:
https://github.com/apache/spark/pull/11964
[SPARK-14164] Improve input layer validation to
MultilayerPerceptronClassifier
## What changes were proposed in this pull request?
This issue improves an input layer validation and related testcases to
MultilayerPerceptronClassifier.
```scala
- // TODO: how to check ALSO that all elements are greater than 0?
- ParamValidators.arrayLengthGt(1)
+ (t: Array[Int]) => t.forall(ParamValidators.gt(0)) && t.length > 1
```
## How was this patch tested?
Pass the Jenkins tests including the new testcases.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/dongjoon-hyun/spark SPARK-14164
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/11964.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #11964
----
commit 8cd2d8524ed84c5fc407a56f129ee3440bce530b
Author: Dongjoon Hyun <[email protected]>
Date: 2016-03-25T20:10:29Z
[SPARK-14164] Improve input layer validation to
MultilayerPerceptronClassifier
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