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https://issues.apache.org/jira/browse/SYSTEMML-995?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15535212#comment-15535212
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Mike Dusenberry edited comment on SYSTEMML-995 at 9/30/16 6:40 AM:
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Additionally, after some hacking to get past the above issue temporarily, I'm 
seeing
{code}
The given InputInfo is not implemented for 
ReblockSPInstruction:org.apache.sysml.runtime.matrix.data.InputInfo@5c4fe28a, 
at 
org.apache.sysml.runtime.instructions.spark.ReblockSPInstruction.processFrameReblockInstruction(ReblockSPInstruction.java:267)
{code}


was (Author: [email protected]):
Additionally, after some hacking to get past the above issue temporarily, I'm 
seeing {{The given InputInfo is not implemented for 
ReblockSPInstruction:org.apache.sysml.runtime.matrix.data.InputInfo@5c4fe28a, 
at 
org.apache.sysml.runtime.instructions.spark.ReblockSPInstruction.processFrameReblockInstruction(ReblockSPInstruction.java:267)}}

> MLContext dataframe-frame conversion with index column
> ------------------------------------------------------
>
>                 Key: SYSTEMML-995
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-995
>             Project: SystemML
>          Issue Type: Bug
>          Components: APIs
>    Affects Versions: SystemML 0.11
>            Reporter: Matthias Boehm
>            Priority: Blocker
>
> MLContext currently always assumes data frame to frame conversion without 
> existing index column. Since the user cannot communicate the existence of 
> this column, the data conversion leads to incorrect results as an additional 
> column is included in the output frame. We need make the MLContext handling 
> of frames consistent with the handling of matrices.
> Thanks [[email protected]] for catching this issue. cc [~acs_s] [~deron]



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