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From "Glenn Weidner (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SYSTEMML-1846) Transformapply w/ column names fails with index-out-of-bounds
Date Sat, 09 Sep 2017 03:54:00 GMT

     [ https://issues.apache.org/jira/browse/SYSTEMML-1846?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Glenn Weidner updated SYSTEMML-1846:
------------------------------------
    Fix Version/s:     (was: SystemML 1.0)
                   SystemML 0.15

> Transformapply w/ column names fails with index-out-of-bounds
> -------------------------------------------------------------
>
>                 Key: SYSTEMML-1846
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-1846
>             Project: SystemML
>          Issue Type: Bug
>            Reporter: Matthias Boehm
>            Assignee: Matthias Boehm
>             Fix For: SystemML 0.15
>
>
> Given a simple transformapply scenario as shown in the following script
> {code}
> spec = "{ids: false, recode: [ zipcode, district, view ]}";
> [X, M] = transformencode(target=F, spec=spec);
> spec2 = "{ids: false, recode: [ zipcode ]}";
> X2 = transformapply(target=F[,1], spec=spec2, meta=M);
> {code}
> currently leads to index out-of-bounds exceptions because the column name zipcode is
not found in the column names of the meta data frame. The root cause is a wrong assumption
of sorted column names in the underlying implementation.



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