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prior probability
(redirected from Prior probabilities)

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
prior probability,
n the extent of belief held by a patient and practitioner in the ability of a specific therapeutic approach to produce a positive outcome before treatment begins. This level of belief should be taken into consideration by the patient and practitioner to make a decision as to whether the treatment should be used or to permit the therapy to continue.

probability
the basis of statistics. The relative frequency of occurrence of a specific event as the outcome of an experiment when the experiment is conducted randomly on very many occasions. The probability of the event occurring is the number of times it did occur divided by the number of times that it could have occurred. Defined as:$$\hbox{p}={\hbox{x}\over (\hbox{x+y})$$

where
p = probability, x = positive outcomes, y = negative outcomes.
prior probability
estimation of the probability that a particular phenomenon or character will appear before putting the patient to the test, e.g. testing the probable productivity of a patient by testing its forebears.
subjective probability
the measure of the assessor's belief in the probability of a proposition being correct.

prior probability
Decision making The likelihood that something may occur or be associated with an event based on its prevalence in a particular situation. See Medical mistake, Representative heurisic.


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In many situations, the loss functions and the prior probabilities can be considered equal.
To reduce computational complexity, old time slices are commonly removed and their information summarized into prior probabilities of following slices.
At the time of bidding decision, prior probabilities in top level nodes are set according to the current state of the game and the probabilities of loss and win are computed by Equation 1.
 
 
 
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