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https://issues.apache.org/jira/browse/SPARK-6529?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14504180#comment-14504180
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Joseph K. Bradley commented on SPARK-6529:
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[~yinxusen] brings up a good point (in the PR) that Word2Vec and Word2VecModel
take input columns of different types. This is a problem with current
Estimator-Model approaches since they always share the same {{inputCol}} param.
Thinking about this, I believe the Estimator and Model {{inputCol}} params must
be different. In a Pipeline, we need to be able to specify both input columns
before fitting, and we will not always have the chance to reset the input
column before testing.
CC: [~mengxr] since you'll be interested
> Word2Vec transformer
> --------------------
>
> Key: SPARK-6529
> URL: https://issues.apache.org/jira/browse/SPARK-6529
> Project: Spark
> Issue Type: Sub-task
> Components: ML
> Reporter: Xusen Yin
> Assignee: Xusen Yin
>
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