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https://issues.apache.org/jira/browse/SYSTEMML-1679?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mike Dusenberry resolved SYSTEMML-1679.
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Resolution: Fixed
Fix Version/s: SystemML 1.0
Merged in [commit 9d8fc72 |
https://github.com/apache/systemml/commit/9d8fc723cdaad5d47692ba0b04e566b2a7d9b1bc].
> Add a new threshold utility function
> ------------------------------------
>
> Key: SYSTEMML-1679
> URL: https://issues.apache.org/jira/browse/SYSTEMML-1679
> Project: SystemML
> Issue Type: Sub-task
> Reporter: Mike Dusenberry
> Assignee: Fei Hu
> Fix For: SystemML 1.0
>
>
> We should add a new {{threshold}} utility function (in {{nn/util.dml}}) that
> accepts a matrix {{X}} and a threshold parameter {{thresh}} and returns an
> indicator matrix {{out}} with values in \{0, 1\} depending on whether or not
> the values in {{X}} are above {{thresh}}. We could use this, for example,
> for determining the predicted class in a binary classification problem given
> the output of a sigmoid layer.
> We should also add a test case in {{nn/test/test.dml}}.
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