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eap

EAP estimation of ability


Description

Estimates the expectation of the posterior distribution of the latent variable ("ability") for each person.

Usage

eap(resp, ip, qu)

Arguments

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 normal.qu or read in with read.qu.icl

Value

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

Author(s)

Ivailo Partchev

See Also

Examples

th.eap <- eap(resp=Scored, ip=Scored2pl, qu=normal.qu())

irtoys

A Collection of Functions Related to Item Response Theory (IRT)

v0.2.1
GPL (>= 2)
Authors
Ivailo Partchev [aut, cre], Gunter Maris [aut], Tamaki Hattori [ctb]
Initial release
2017-12-15

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