Description Usage Arguments Value See Also
LogLikelihood of a IRT model for UIRT (Fast version)
1 | loglik.f(test, traits, z)
|
test |
A data frame or a matrix with the responses of the test. |
traits |
A vector with each individual parameter. |
z |
A list with the parameters a, b and c specified by keys. Each key must contain a vector of the item parameters for each parameter. |
The value of the loglikelihood.
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