Extract Estimated Item Parameters and Skill Class Distribution Parameters
Extracts the estimated parameters from either
din, gdina, gdina or gdm objects.
## S3 method for class 'din' coef(object, ...) ## S3 method for class 'gdina' coef(object, ...) ## S3 method for class 'mcdina' coef(object, ...) ## S3 method for class 'gdm' coef(object, ...) ## S3 method for class 'slca' coef(object, ...)
object |
An object inheriting from either class |
... |
Additional arguments to be passed. |
A vector, a matrix or a data frame of the estimated parameters for the fitted model.
data(sim.dina, package="CDM")
data(sim.qmatrix, package="CDM")
# DINA model
d1 <- CDM::din( sim.dina, q.matrix=sim.qmatrix)
coef(d1)
## Not run:
# GDINA model
d2 <- CDM::gdina( sim.dina, q.matrix=sim.qmatrix)
coef(d2)
# GDM model
theta.k <- seq(-4,4,len=11)
d3 <- CDM::gdm( sim.dina, irtmodel="2PL", theta.k=theta.k,
Qmatrix=as.matrix(sim.qmatrix), centered.latent=TRUE)
coef(d3)
## End(Not run)Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.