4 ms·
It doesn't really depend on the base rate though. The idea is that a high precision model will have all the targets at one end of the distribution, regardless
by alexilliamson 5y ago
It doesn't really depend on the base rate though. The idea is that a high precision model will have all the targets at one end of the distribution, regardless of base rate.
- abstrakraft 5y agoPrecision is P(T|R), where R is the event that a thing is reported, and T is the event that the thing is true. By Bayes' rule, P(T|R) = P(T)/(1+Pfa/Pd). So in terms of the traditional statistics Pd and Pfa, it is proportional to the base rate.