[jira] [Assigned] (SPARK-17026) warning msg in MulticlassMetricsSuite

[Apache Spark (JIRA)]

 [ 
https://issues.apache.org/jira/browse/SPARK-17026?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Apache Spark reassigned SPARK-17026:


Assignee: Apache Spark

> warning msg in MulticlassMetricsSuite
> -
>
> Key: SPARK-17026
> URL: https://issues.apache.org/jira/browse/SPARK-17026
> Project: Spark
>  Issue Type: Improvement
>Reporter: Xin Ren
>Assignee: Apache Spark
>Priority: Trivial
>
> Got warning when building:
> {code}
> [warn] 
> /home/jenkins/workspace/SparkPullRequestBuilder/mllib/src/test/scala/org/apache/spark/mllib/evaluation/MulticlassMetricsSuite.scala:74:
>  value precision in class MulticlassMetrics is deprecated: Use accuracy.
> [warn]assert(math.abs(metrics.accuracy - metrics.precision) < delta)
> [warn]^
> [warn] 
> /home/jenkins/workspace/SparkPullRequestBuilder/mllib/src/test/scala/org/apache/spark/mllib/evaluation/MulticlassMetricsSuite.scala:75:
>  value recall in class MulticlassMetrics is deprecated: Use accuracy.
> [warn]assert(math.abs(metrics.accuracy - metrics.recall) < delta)
> [warn]^
> [warn] 
> /home/jenkins/workspace/SparkPullRequestBuilder/mllib/src/test/scala/org/apache/spark/mllib/evaluation/MulticlassMetricsSuite.scala:76:
>  value fMeasure in class MulticlassMetrics is deprecated: Use accuracy.
> [warn]assert(math.abs(metrics.accuracy - metrics.fMeasure) < delta)
> [warn]^
> {code}
> And `precision` and `recall` and `fMeasure` are all referencing to `accuracy`:
> {code}
> assert(math.abs(metrics.accuracy - metrics.precision) < delta)
> assert(math.abs(metrics.accuracy - metrics.recall) < delta)
> assert(math.abs(metrics.accuracy - metrics.fMeasure) < delta)
> {code}
> {code}
>   /**
>* Returns precision
>*/
>   @Since("1.1.0")
>   @deprecated("Use accuracy.", "2.0.0")
>   lazy val precision: Double = accuracy
>   /**
>* Returns recall
>* (equals to precision for multiclass classifier
>* because sum of all false positives is equal to sum
>* of all false negatives)
>*/
>   @Since("1.1.0")
>   @deprecated("Use accuracy.", "2.0.0")
>   lazy val recall: Double = accuracy
>   /**
>* Returns f-measure
>* (equals to precision and recall because precision equals recall)
>*/
>   @Since("1.1.0")
>   @deprecated("Use accuracy.", "2.0.0")
>   lazy val fMeasure: Double = accuracy
> {code}



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[jira] [Assigned] (SPARK-17026) warning msg in MulticlassMetricsSuite

[Apache Spark (JIRA)]

 [ 
https://issues.apache.org/jira/browse/SPARK-17026?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Apache Spark reassigned SPARK-17026:


Assignee: (was: Apache Spark)

> warning msg in MulticlassMetricsSuite
> -
>
> Key: SPARK-17026
> URL: https://issues.apache.org/jira/browse/SPARK-17026
> Project: Spark
>  Issue Type: Improvement
>Reporter: Xin Ren
>Priority: Trivial
>
> Got warning when building:
> {code}
> [warn] 
> /home/jenkins/workspace/SparkPullRequestBuilder/mllib/src/test/scala/org/apache/spark/mllib/evaluation/MulticlassMetricsSuite.scala:74:
>  value precision in class MulticlassMetrics is deprecated: Use accuracy.
> [warn]assert(math.abs(metrics.accuracy - metrics.precision) < delta)
> [warn]^
> [warn] 
> /home/jenkins/workspace/SparkPullRequestBuilder/mllib/src/test/scala/org/apache/spark/mllib/evaluation/MulticlassMetricsSuite.scala:75:
>  value recall in class MulticlassMetrics is deprecated: Use accuracy.
> [warn]assert(math.abs(metrics.accuracy - metrics.recall) < delta)
> [warn]^
> [warn] 
> /home/jenkins/workspace/SparkPullRequestBuilder/mllib/src/test/scala/org/apache/spark/mllib/evaluation/MulticlassMetricsSuite.scala:76:
>  value fMeasure in class MulticlassMetrics is deprecated: Use accuracy.
> [warn]assert(math.abs(metrics.accuracy - metrics.fMeasure) < delta)
> [warn]^
> {code}
> And `precision` and `recall` and `fMeasure` are all referencing to `accuracy`:
> {code}
> assert(math.abs(metrics.accuracy - metrics.precision) < delta)
> assert(math.abs(metrics.accuracy - metrics.recall) < delta)
> assert(math.abs(metrics.accuracy - metrics.fMeasure) < delta)
> {code}
> {code}
>   /**
>* Returns precision
>*/
>   @Since("1.1.0")
>   @deprecated("Use accuracy.", "2.0.0")
>   lazy val precision: Double = accuracy
>   /**
>* Returns recall
>* (equals to precision for multiclass classifier
>* because sum of all false positives is equal to sum
>* of all false negatives)
>*/
>   @Since("1.1.0")
>   @deprecated("Use accuracy.", "2.0.0")
>   lazy val recall: Double = accuracy
>   /**
>* Returns f-measure
>* (equals to precision and recall because precision equals recall)
>*/
>   @Since("1.1.0")
>   @deprecated("Use accuracy.", "2.0.0")
>   lazy val fMeasure: Double = accuracy
> {code}



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