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Posted to issues@spark.apache.org by "yuhao yang (JIRA)" <ji...@apache.org> on 2016/06/14 01:28:16 UTC
[jira] [Commented] (SPARK-15930) Add Row count property to FPGrowth
model
[ https://issues.apache.org/jira/browse/SPARK-15930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15328759#comment-15328759 ]
yuhao yang commented on SPARK-15930:
------------------------------------
|| items|| freq||
| [27]|5|
| [27, 18]|2|
| [27, 18, 12]|2|
| [27, 18, 12, 17]|4|
Hi [~JohnDA] can you please specify what's the row count you expected with the model above? is it the total number of 5 + 2 + 2 + 4?
> Add Row count property to FPGrowth model
> ----------------------------------------
>
> Key: SPARK-15930
> URL: https://issues.apache.org/jira/browse/SPARK-15930
> Project: Spark
> Issue Type: Improvement
> Components: MLlib
> Affects Versions: 1.6.1
> Reporter: John Aherne
> Priority: Minor
> Labels: fp-growth, mllib
>
> Add a row count property to MLlib's FPGrowth model.
> When using the model from FPGrowth, a count of the total number of records is often necessary.
> It appears that the function already calculates that value when training the model, so it would save time not having to do it again outside the model.
> Sorry if this is the wrong place for this kind of stuff. I am new to Jira, Spark, and making suggestions.
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