Frequency probability and Bayesian probability

Probability of frequency school （frequentist probability）

When we say the probability of occurrence is a result P, This means that if we experiment repeatedly for an infinite number of times , Yes p The proportion of may lead to such a result . for example ： Draw specific cards from playing cards . This probability is directly related to the probability of the event .

Bayesian probability （Bayesian probability

If a doctor diagnoses a patient , The probability of the patient suffering from influenza is 40%. Neither can the patient have infinite copies , There is no reason to believe that patients show the same symptoms under different potential conditions . Express a degree of trust with probability （degree of belief）, That is, the level of certainty involved .