Answered: Following diagram is the confusion…

Following diagram is the confusion matrix for multi classification. Find the precision and recall. Classified as A B с 410 40 20 60 ?? 20 20 True Class A B C 30 50

Oracle 12c: SQL

3rd Edition

ISBN:9781305251038

Author:Joan Casteel

Publisher:Joan Casteel

Chapter13: Views

Section: Chapter Questions

Problem 5RQ

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Concept explainers

Enhanced ER Model

The enhanced ER model is an abbreviation for Enhanced Entity-Relationship (EER) model. As you know, the entity-relationship (ER) model is a pictorial illustration of the relationship between various entities of a domain. In the case of a large amount of data with multiple interrelated entities, the ER diagrams become complex and tough to interpret. For such cases, the need for enhancement in the ER model was observed, and thus, the EER model was designed.

Question

Following diagram is the confusion matrix for multi classification.
Find the precision and recall.
Classified as
A
B
с
410
40
20
60
??
30
20
20
50
True Class
A
B
C
I

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