Usage
update_2pno(N,J,Y,Z,as,bs,theta,Kaps,mu_xi,Sigma_xi_inv,mu_theta,Sigma_theta_inv)
Arguments
N
The number of observations.
Y
A N by J matrix of item responses.
Z
A matrix N by J of continuous augmented data.
as
A vector of item discrimination parameters.
bs
A vector of item threshold parameters.
theta
A vector of prior thetas.
Kaps
A matrix for item thresholds (used for internal computations).
mu_xi
Prior mean for item parameters.
Sigma_xi_inv
Prior item parameter inverse variance-covariance matrix.
mu_theta
Prior mean for theta.
Sigma_theta_inv
Prior inverse variance for theta.