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https://issues.apache.org/jira/browse/SYSTEMML-666?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Deron Eriksson reassigned SYSTEMML-666:
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Assignee: Deron Eriksson
> Small Error in Matrix Representation on Decision Tree Docs
> ----------------------------------------------------------
>
> Key: SYSTEMML-666
> URL: https://issues.apache.org/jira/browse/SYSTEMML-666
> Project: SystemML
> Issue Type: Bug
> Reporter: Stacey Ronaghan
> Assignee: Deron Eriksson
> Priority: Minor
>
> The matrix representation for the example decision tree on the [Decision Tree
> Documentation|http://apache.github.io/incubator-systemml/algorithms-classification.html#decision-trees]
> has a minor error on Row 3, Col 2. The value here should be moved to Row 3,
> Col 3 as it refers to the feature index for node 3. Node 2 isn't an internal
> node and therefore, the value at Row 3, Col 2 should be 0.
> Current:
> || ||||Col 1||Col 2||Col 3||Col 4||Col 5||
> |Row 1|1|2|3|6| 7|
> |Row 2|1|0|1|0| 0|
> |Row 3|3|5|0|0| 0|
> |Row 4|1|1|2|2|1|
> |Row 5|1|0|2|0|0|
> |Row 6|0.45|0|2|0|0|
> |Row 7| | |3| | |
> Suggested:
> || ||||Col 1||Col 2||Col 3||Col 4||Col 5||
> |Row 1|1|2|3|6| 7|
> |Row 2|1|0|1|0| 0|
> |Row 3|3|0|5|0| 0|
> |Row 4|1|1|2|2|1|
> |Row 5|1|0|2|0|0|
> |Row 6|0.45|0|2|0|0|
> |Row 7| | |3| | |
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