Bayesian 4 Parameter Item Response Model


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Documentation for package ‘fourPNO’ version 1.0.4

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fourPNO-package fourPNO: Bayesian 4 Parameter Item Response Model
fourPNO fourPNO: Bayesian 4 Parameter Item Response Model
Gibbs_2PNO Gibbs Implementation of 2PNO
Gibbs_4PNO Gibbs Implementation of 4PNO
kappa_initialize Initialize Thresholds
min2LL_4pno Compute 4PNO Deviance
rmvnorm Generate Random Multivariate Normal Distribution
Total_Tabulate Calculate Tabulated Total Scores
update_2pno Update 2PNO Model Parameters
update_ab_NA Update a and b Parameters of 2PNO, 3PNO, 4PNO
update_ab_norestriction Update a and b Parameters of 4pno without alpha > 0 Restriction
update_theta Internal Function for Updating Theta in Gibbs Sampler
update_WKappaZ_NA Update Lower and Upper Asymptote Parameters of 4PNO
Y_4pno_simulate Simulate from 4PNO Model