[ 
https://issues.apache.org/jira/browse/SPARK-17645?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Apache Spark reassigned SPARK-17645:
------------------------------------

    Assignee: Apache Spark

> Add feature selector methods based on: False Discovery Rate (FDR) and Family 
> Wise Error rate (FWE)
> --------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-17645
>                 URL: https://issues.apache.org/jira/browse/SPARK-17645
>             Project: Spark
>          Issue Type: New Feature
>          Components: ML, MLlib
>            Reporter: Peng Meng
>            Assignee: Apache Spark
>            Priority: Minor
>   Original Estimate: 48h
>  Remaining Estimate: 48h
>
> Univariate feature selection works by selecting the best features based on 
> univariate statistical tests. 
> FDR and FWE are a popular univariate statistical test for feature selection.
> In 2005, the Benjamini and Hochberg paper on FDR was identified as one of the 
> 25 most-cited statistical papers. The FDR uses the Benjamini-Hochberg 
> procedure in this PR. https://en.wikipedia.org/wiki/False_discovery_rate. 
> In statistics, FWE is the probability of making one or more false 
> discoveries, or type I errors, among all the hypotheses when performing 
> multiple hypotheses tests.
> https://en.wikipedia.org/wiki/Family-wise_error_rate
> We add FDR and FWE methods for ChiSqSelector in this PR, like it is 
> implemented in scikit-learn. 
> http://scikit-learn.org/stable/modules/feature_selection.html#univariate-feature-selection



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org
For additional commands, e-mail: issues-h...@spark.apache.org

Reply via email to