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https://issues.apache.org/jira/browse/SPARK-18374?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-18374:
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    Assignee:     (was: Apache Spark)

> Incorrect words in StopWords/english.txt
> ----------------------------------------
>
>                 Key: SPARK-18374
>                 URL: https://issues.apache.org/jira/browse/SPARK-18374
>             Project: Spark
>          Issue Type: Bug
>          Components: ML
>    Affects Versions: 2.0.1
>            Reporter: nirav patel
>
> I was just double checking english.txt for list of stopwords as I felt it was 
> taking out valid tokens like 'won'. I think issue is english.txt list is 
> missing apostrophe character and all character after apostrophe. So "won't" 
> becam "won" in that list; "wouldn't" is "wouldn" .
> Here are some incorrect tokens in this list:
> won
> wouldn
> ma
> mightn
> mustn
> needn
> shan
> shouldn
> wasn
> weren
> I think ideal list should have both style. i.e. won't and wont both should be 
> part of english.txt as some tokenizer might remove special characters. But 
> 'won' is obviously shouldn't be in this list.
> Here's list of snowball english stop words:
> http://snowball.tartarus.org/algorithms/english/stop.txt



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