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https://issues.apache.org/jira/browse/SPARK-19939?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-19939:
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Assignee: Apache Spark
> Add support for association rules in ML
> ---------------------------------------
>
> Key: SPARK-19939
> URL: https://issues.apache.org/jira/browse/SPARK-19939
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 2.2.0
> Reporter: yuhao yang
> Assignee: Apache Spark
>
> Adding another essential characteristic for the Association Rule in Spark
> ml.fpm.
> Support is an indication of how frequently the itemset of an association rule
> appears in the database and suggests if the rules are generally applicable to
> the dateset. refer to
> [https://en.wikipedia.org/wiki/Association_rule_learning] for more details.
> Before adding support:
> | rules | confidence |
> | beer -> soda | 0.5 |
> | pecan -> milk | 0.6 |
> After adding support:
> | rules | confidence | support |
> | beer -> soda | 0.5 | 0.3 |
> | pecan -> milk | 0.6 | 0.01 |
> Thus to allow a better understanding for the generated association rules.
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