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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/08/19 06:07:45 UTC

[jira] [Assigned] (SPARK-10105) Adding most k frequent words parameter to Word2Vec implementation

     [ https://issues.apache.org/jira/browse/SPARK-10105?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-10105:
------------------------------------

    Assignee:     (was: Apache Spark)

> Adding most k frequent words parameter to Word2Vec implementation
> -----------------------------------------------------------------
>
>                 Key: SPARK-10105
>                 URL: https://issues.apache.org/jira/browse/SPARK-10105
>             Project: Spark
>          Issue Type: Improvement
>          Components: MLlib
>            Reporter: Antonio Murgia
>            Priority: Minor
>              Labels: mllib, top-k, word2vec
>
> When training Word2Vec on a really big dataset, it's really hard to evaluate the right minCount parameter, it would really help having a parameter to choose how many words you want to be in the vocabulary.
> Furthermore, the original Word2Vec paper, state that they took into account the most frequent 1M words.
>  



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