Classification of Critical Levels of CO Exposure of Firefigthers through Monitored Heart Rate

. 2021 Feb 24;21(5):1561. doi: 10.3390/s21051561

P r e c i s i o n = \frac{T P}{T P + F P}

R e c a l l = \frac{T P}{T P + F N}

and

F_{1} = 2 \frac{P r e c i s i o n R e c a l l}{P r e c i s i o n + R e c a l l}