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https://issues.apache.org/jira/browse/MAHOUT-677?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stanley Xu updated MAHOUT-677:
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Attachment: simplecsvexamplebugfix.diff
I wrote a patch on the code. Just two lines change.
> The SimpleCsvExamples didn't really parsed the double correctly with the
> FastLine and FastLineReader
> ----------------------------------------------------------------------------------------------------
>
> Key: MAHOUT-677
> URL: https://issues.apache.org/jira/browse/MAHOUT-677
> Project: Mahout
> Issue Type: Bug
> Components: Examples
> Affects Versions: 0.5
> Reporter: Stanley Xu
> Priority: Minor
> Fix For: 0.5
>
> Attachments: simplecsvexamplebugfix.diff
>
> Original Estimate: 2h
> Remaining Estimate: 2h
>
> The FastLineReader in SimpleCsvExamples.java try to parse the line quickly
> through parse the bytes directly from the stream without the cost of copy
> Strings. But it didn't parse the line correctly and will get all double
> values as zero in fast parsing mode
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