Tommaso Teofili created LUCENE-7305:
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Summary: Use macro average in confusion matrix metrics to
normalize imbalanced classes
Key: LUCENE-7305
URL: https://issues.apache.org/jira/browse/LUCENE-7305
Project: Lucene - Core
Issue Type: Improvement
Components: modules/classification
Reporter: Tommaso Teofili
Assignee: Tommaso Teofili
Fix For: 6.1
{{ConfusionMatrix}} multi class measures should be based on macro average to
avoid bias (for the good or the bad) from imbalanced classes.
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