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Posted to issues@spark.apache.org by "yuhao yang (JIRA)" <ji...@apache.org> on 2015/05/31 13:22:17 UTC

[jira] [Created] (SPARK-7983) Add require for one-based indices in loadLibSVMFile

yuhao yang created SPARK-7983:
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             Summary: Add require for one-based indices in loadLibSVMFile
                 Key: SPARK-7983
                 URL: https://issues.apache.org/jira/browse/SPARK-7983
             Project: Spark
          Issue Type: Improvement
          Components: MLlib
            Reporter: yuhao yang
            Priority: Trivial


Add require for one-based indices in loadLibSVMFile

Customers frequently use zero-based indices in their LIBSVM files. No warnings or errors from Spark will be reported during their computation afterwards, and usually it will lead to wired result for many algorithms (like GBDT).

add a quick check.



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