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Posted to issues@flink.apache.org by "Johannes (JIRA)" <ji...@apache.org> on 2015/11/06 14:48:27 UTC

[jira] [Created] (FLINK-2984) Support lenient parsing of SVMLight input files

Johannes created FLINK-2984:
-------------------------------

             Summary: Support lenient parsing of SVMLight input files
                 Key: FLINK-2984
                 URL: https://issues.apache.org/jira/browse/FLINK-2984
             Project: Flink
          Issue Type: Improvement
          Components: Machine Learning Library
    Affects Versions: 0.9.1
            Reporter: Johannes
            Priority: Trivial


The current implementation for the reader assumes that the format follows the exact specification.

The [splice-site Dataset| https://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary.html#splice-site] dataset is formatted slightly different

Example
{noformat}
-1  1:0.381846 2:0.163648 3:0.245472 4:0.627318
{noformat}

note the two spaces after the label.

Currently MLUtils.scala splits on single spaces.



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