Description Usage Arguments Value Author(s) See Also Examples
Estimates the expectation of the posterior distribution of the latent variable ("ability") for each person.
1 | 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: a matrix with one row per item, and three columns: [,1] item discrimination a, [,2] item difficulty b, and [,3] asymptote c. |
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
mlebme
, normal.qu
,
read.qu.icl
1 |
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