Summer 2017 marked the first A-level examinations for the new OCR A-level specifications in biology, chemistry and physics. This article reviews the outcom... A Brunning - 《School Science Review》 被引量: 0发表: 2018年 OCR Sociology for A Level: Book 1 Our experienced author team combine...
F1-score is a commonly used metric in computer learning and statistics that combines recall and precision into an individual number to provide a fair assessment of a model's performance, especially in binary classification problems. The F1-score mathematical formula can be written as follows: $$F1...