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Posted to issues@spark.apache.org by "Guoqiang Li (JIRA)" <ji...@apache.org> on 2015/01/15 05:59:34 UTC

[jira] [Created] (SPARK-5261) In some cases ,The value of word's vector representation is too big

Guoqiang Li created SPARK-5261:
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             Summary: 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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