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https://issues.apache.org/jira/browse/FLINK-2297?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14609757#comment-14609757
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ASF GitHub Bot commented on FLINK-2297:
---------------------------------------
Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/874#discussion_r33659114
--- Diff:
flink-staging/flink-ml/src/main/scala/org/apache/flink/ml/common/ParameterMap.scala
---
@@ -112,7 +112,7 @@ object ParameterMap {
*
* @tparam T Type of parameter value associated to this parameter key
*/
-trait Parameter[T] {
+trait Parameter[+T] {
--- End diff --
For what purposes do we need a covariant parameter type?
> Add threshold setting for SVM binary predictions
> ------------------------------------------------
>
> Key: FLINK-2297
> URL: https://issues.apache.org/jira/browse/FLINK-2297
> Project: Flink
> Issue Type: Improvement
> Components: Machine Learning Library
> Reporter: Theodore Vasiloudis
> Assignee: Theodore Vasiloudis
> Priority: Minor
> Labels: ML
> Fix For: 0.10
>
>
> Currently SVM outputs the raw decision function values when using the predict
> function.
> We should have instead the ability to set a threshold above which examples
> are labeled as positive (1.0) and below negative (-1.0). Then the prediction
> function can be directly used for evaluation.
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