[ 
https://issues.apache.org/jira/browse/SPARK-5261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14292823#comment-14292823
 ] 

Guoqiang Li commented on SPARK-5261:
------------------------------------

[~lewuathe]
{code}
normalize_text() {
  awk '{print tolower($0);}' | sed -e "s/’/'/g" -e "s/′/'/g" -e "s/''/ /g" -e 
"s/'/ ' /g" -e "s/“/\"/g" -e "s/”/\"/g" \
  -e 's/"/ " /g' -e 's/\./ \. /g' -e 's/<br \/>/ /g' -e 's/, / , /g' -e 's/(/ ( 
/g' -e 's/)/ ) /g' -e 's/\!/ \! /g' \
  -e 's/\?/ \? /g' -e 's/\;/ /g' -e 's/\:/ /g' -e 's/-/ - /g' -e 's/=/ /g' -e 
's/=/ /g' -e 's/*/ /g' -e 's/|/ /g' \
  -e 's/«/ /g' | tr 0-9 " "
}
wget 
http://www.statmt.org/wmt14/training-monolingual-news-crawl/news.2013.en.shuffled.gz
gzip -d news.2013.en.shuffled.gz
normalize_text < news.2013.en.shuffled > data.txt
{code}

> 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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