EAP estimation of ability
Estimates the expectation of the posterior distribution of the latent variable ("ability") for each person.
eap(resp, ip, qu)
resp |
A matrix of responses: persons as rows, items as columns, entries are either 0 or 1, no missing data |
ip |
Item parameters: the object returned by est. |
qu |
A quadrature object produced with |
A matrix with the ability estimates in column 1, and their standard errors of measurement (SEM) in column 2, and the number of non-missing reponses in column 3
Ivailo Partchev
th.eap <- eap(resp=Scored, ip=Scored2pl, qu=normal.qu())
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