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Posted to issues@flink.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2015/09/02 10:41:45 UTC
[jira] [Commented] (FLINK-2379) Add methods to evaluate field wise
statistics over DataSet of vectors.
[ https://issues.apache.org/jira/browse/FLINK-2379?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14727003#comment-14727003 ]
ASF GitHub Bot commented on FLINK-2379:
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Github user sachingoel0101 commented on the pull request:
https://github.com/apache/flink/pull/1032#issuecomment-136978688
@tillrohrmann , can you review this?
This will be a starting point for a package to provide more statistical methods, such as hypothesis testing, correlation, etc.
> Add methods to evaluate field wise statistics over DataSet of vectors.
> ----------------------------------------------------------------------
>
> Key: FLINK-2379
> URL: https://issues.apache.org/jira/browse/FLINK-2379
> Project: Flink
> Issue Type: New Feature
> Components: Machine Learning Library
> Reporter: Sachin Goel
> Assignee: Sachin Goel
>
> Design methods to evaluate statistics over dataset of vectors.
> For continuous fields, Minimum, maximum, mean, variance.
> For discrete fields, Class counts, Entropy, Gini Impurity.
> Further statistical measures can also be supported. For example, correlation between two series, computing the covariance matrix, etc.
> [These are currently the things Spark supports.]
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