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https://issues.apache.org/jira/browse/CLIMATE-484?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14050327#comment-14050327
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ASF GitHub Bot commented on CLIMATE-484:
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Github user OCWJenkins commented on the pull request:
https://github.com/apache/climate/pull/86#issuecomment-47805240
Merged build finished. Test Passed.
> Remove rebinning metrics
> ------------------------
>
> Key: CLIMATE-484
> URL: https://issues.apache.org/jira/browse/CLIMATE-484
> Project: Apache Open Climate Workbench
> Issue Type: Task
> Components: metrics
> Affects Versions: 0.3-incubating
> Reporter: Michael Joyce
> Assignee: Michael Joyce
> Fix For: 0.4
>
>
> We have a few metrics (Spatial/SeasonalStdDevRatio and similar
> PatternCorrelation ones) that do a temporal rebin. We've discussed this
> before, but I think it's worth revisiting.
> In my opinion, we shouldn't be doing rebins/regrids/manipulations during an
> evaluation unless it's 100% necessary for the metric to make sense. In other
> words:
> {code}
> ds1 = ocw.local.load_file(...)
> ds2 = ocw.local.load_file(...)
> evaluation = Evaluation.evaluation(ds1, [ds2],
> [metrics.TemporalStdDevRatio()])
> evaluation.run()
> {code}
> Should really be:
> {code}
> ds1 = ocw.local.load_file(...)
> ds2 = ocw.local.load_file(...)
> ds1 = ocw.dataset_processor.temporal_rebin(ds1, ...)
> ds2 = ocw.dataset_processor.temporal_rebin(ds2, ...)
> evaluation = Evaluation.evaluation(ds1, [ds2], [metrics.StdDevRatio()])
> evaluation.run()
> {code}
> That is a more correct usage of the redesigned API in my opinion.
> Thoughts? Comments? I'm going to send a PR for this change, but let's discuss
> please.
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