May 2020
Intermediate to advanced
530 pages
17h 8m
English
To estimate algorithm quality for each classification class, we shall introduce two metrics: precision and recall. The following diagram shows all the objects that are used in classification and how they have been marked according to the algorithm's results:

The circle in the center contains selected elements – the elements our algorithm predicted as positive ones.
Precision is proportional to the number of correctly classified items within selected ones. Another name for precision is specificity:

Recall is proportional ...
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