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https://issues.apache.org/jira/browse/SPARK-5261?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Guoqiang Li reopened SPARK-5261:
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[~srowen] SPARK-5261 andSPARK-4846 are not the same problem. This is a
algorithm error. The resulting vector is incorrect.
> In some cases ,The value of word's vector representation is too big
> -------------------------------------------------------------------
>
> Key: SPARK-5261
> URL: https://issues.apache.org/jira/browse/SPARK-5261
> Project: Spark
> Issue Type: Bug
> Components: MLlib
> Affects Versions: 1.2.0
> Reporter: Guoqiang Li
>
> {code}
> val word2Vec = new Word2Vec()
> word2Vec.
> setVectorSize(100).
> setSeed(42L).
> setNumIterations(5).
> setNumPartitions(36)
> {code}
> The average absolute value of the word's vector representation is 60731.8
> {code}
> val word2Vec = new Word2Vec()
> word2Vec.
> setVectorSize(100).
> setSeed(42L).
> setNumIterations(5).
> setNumPartitions(1)
> {code}
> The average absolute value of the word's vector representation is 0.13889
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