fourPNO: Bayesian 4 Parameter Item Response Model

Estimate Barton & Lord's (1981) <doi:10.1002/j.2333-8504.1981.tb01255.x> four parameter IRT model with lower and upper asymptotes using Bayesian formulation described by Culpepper (2016) <doi:10.1007/s11336-015-9477-6>.

Package details

AuthorSteven Andrew Culpepper [aut, cre, cph] (<>)
MaintainerSteven Andrew Culpepper <>
LicenseGPL (>= 2)
Package repositoryView on CRAN
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fourPNO documentation built on Sept. 24, 2019, 9:05 a.m.