June 2020
Intermediate to advanced
382 pages
11h 39m
English
Content preview from 40 Algorithms Every Programmer Should Know
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
Start your free trial
Performance metrics
Performance metrics are used to quantify the performance of the trained models. Based on this, let's define the following four metrics:
| Metric | Formula |
| Accuracy |  |
| Recall |  |
| Precision |  |
| F1 score |  |
Accuracy is the proportion of correction classifications among all predictions. While calculating accuracy, we do not differentiate ...