ML/AI – Precision and recall

https://en.wikipedia.org/wiki/Precision_and_recall

Population:
– 12 dogs
– 10 cats
Model results: 8
– 5 dogs (true positive)
– 3 cats (false positive)
– 7 dogs missed (false positives)
– 7 cats excluded (false negatives)

Precision: 5/8 (true positives / selected elements)
Recall: 5/12 (true positives / relevant elements).

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