TanimotoCoefficientSimilarity should return Double.NaN for two items that have
zero overlap
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Key: MAHOUT-902
URL: https://issues.apache.org/jira/browse/MAHOUT-902
Project: Mahout
Issue Type: Improvement
Components: Collaborative Filtering
Affects Versions: 0.6
Reporter: Sebastian Schelter
org.apache.mahout.cf.taste.impl.similarity.TanimotoCoefficientSimilarity should
return Double.NaN for two items that have zero overlap. Please also provide a
unit-test for this.
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