Score function

Calculate score function for each dichotomous item or each nonzero category for polytomous items Only applicable to saturated model ofr joint attribute distribution

score(object, parm = "delta")

Arguments

object

an object of class GDINA

parm

Either delta or prob indicating score function for delta parameters and success probabily parameters

Value

a list where elements give the score functions for each item or category

Examples

if (FALSE) { # \dontrun{
dat <- sim10GDINA$simdat
Q <- sim10GDINA$simQ
fit <- GDINA(dat = dat, Q = Q, model = "GDINA")
score(fit)
} # }