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likelihood
(redirected from Likelihood function)

   Also found in: Dictionary/thesaurus, Medical, Legal, Wikipedia 0.06 sec.

likelihood

 or chance

In mathematics, a subjective assessment of possibility that, when assigned a numerical value on a scale between impossibility (0) and absolute certainty (1), becomes a probability (see probability theory). Thus, the numerical assignment of a probability depends on the notion of likelihood. If, for example, an experiment (e.g., a die toss) can result in six equally likely possible outcomes, the probability of each is ¹⁄₆.


likelihood [′līk·lē‚hu̇d]
(mathematics)
The likelihood of a sample of independent values ofx1,x2, … ,xn, with ƒ(x) the probability function, is the product ƒ(x1) - ƒ(x2) - ⋯ - ƒ(xn).


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The likelihood functions for both the current model and the candidate model are evaluated using the parameter estimates of [[delta].
Estimators produced by maximizing the likelihood function in a Poisson regression are generally preferred over those produced by least squares based on their statistical properties, and the data are automatically weighted based on the expected number of deaths (highly correlated with population size).
29) Families contribute to the likelihood function for an outcome only if some siblings differ in the outcome (e.
 
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