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https://issues.apache.org/jira/browse/SYSTEMML-538?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15182506#comment-15182506
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Niketan Pansare commented on SYSTEMML-538:
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It is a useful feature to have. This brings an interesting question: Should we
generalize frame or implement additional function for this operation ?
transform(frame) => matrix
aboveMentionedOp(matrix) => frame or aboveMentionedOp(frame) => frame
> Decoding ID columns to string
> -----------------------------
>
> Key: SYSTEMML-538
> URL: https://issues.apache.org/jira/browse/SYSTEMML-538
> Project: SystemML
> Issue Type: New Feature
> Components: APIs
> Reporter: Prithviraj Sen
>
> Currently, the transform operation allows one to consume a frame containing
> strings and replace the strings with integer IDs. However, there is no
> operation that provides the inverse of this functionality. In other words, it
> would be nice to have an operation that allows one to use a recode map
> produced by a previously invoked transform operation and replace the integer
> IDs with the corresponding strings provided in the recode map.
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