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https://issues.apache.org/jira/browse/MAHOUT-1150?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sebastian Schelter resolved MAHOUT-1150.
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Resolution: Fixed
thank you for the contribution
> ARFF Integration does not support quoted identifiers
> ----------------------------------------------------
>
> Key: MAHOUT-1150
> URL: https://issues.apache.org/jira/browse/MAHOUT-1150
> Project: Mahout
> Issue Type: Bug
> Components: Integration
> Affects Versions: 0.7
> Environment: All
> Reporter: Marty Kube
> Attachments: MAHOUT-1150.patch
>
>
> I ran the NSL-KDD data set (http://nsl.cs.unb.ca/NSL-KDD/) through the ARFF
> integration. The process failed to parse the arff formatted file. The file
> has quoted identifiers:
> @relation 'KDDTrain-20Percent'
> @attribute 'duration' real
> @attribute 'protocol_type' {'tcp','udp', 'icmp'}
> The quotes caused the problem. The "official" arff BNF shows that quotes
> should be supported:
> https://list.scms.waikato.ac.nz/mailman/htdig/wekalist/2008-January/012153.html
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