https://blog.csdn.net/akadiao/article/details/78788864
Accuracy = number of correct / incorrect prediction Number = P
Recall rate = number of correct / real number of correct = R
F. . 1 Fl value is the harmonic mean of precision and recall:
https://blog.csdn.net/akadiao/article/details/78788864
Accuracy = number of correct / incorrect prediction Number = P
Recall rate = number of correct / real number of correct = R
F. . 1 Fl value is the harmonic mean of precision and recall: