prior probability

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Related to Prior probabilities: Posterior probabilities, Uninformative prior

prior probability

n
(Statistics) statistics the probability assigned to a parameter or to an event in advance of any empirical evidence, often subjectively or on the assumption of the principle of indifference. Compare posterior probability
References in periodicals archive ?
The prior probabilities represent the distribution of knowledge or belief concerning a subject or a variable before any relevant evidence taken into account.
Instead, the likelihood-ratio measure (or variations on it), (60) which keeps prior probabilities out of the picture, is more typically used to describe the value of test results as evidence of disease or other conditions in medicine and psychology.
For example, an epidemiological study establishes state of nature probabilities (or prior probabilities such as the prevalence of a disease in a human population) against which a researcher may test the efficacy of a new medicine or the sensitivity of new diagnostic test or medical device / procedure.
Fifteen chapters are: introduction to explorations in behavioral archaeology; behavioral assessment of a battlefield signature: the study of a Pompeii-like event; prior probabilities and explicit assumptions in Paleoindian chronology building; a behavioral archaeology of ancient migrations; why no Kayenta at Chodistaas pueblo?
Each root node has prior probabilities and the conditional probability distribution (CPD) should be specified for each child node in the BNs.
3] is used to generate prior probabilities of common causes.
The weights are given according to the prior probabilities of presence of a hole or primary user in the channel.
In the simulation process, the prior probabilities of the nodes were randomly generated according to uniform distribution.
imagine, prior probabilities or odds can be highly controversial.