GDINA (version 2.9.4)

monocheck: This function checks if monotonicity is violated

Description

If mastering an additional attribute lead to a lower probabilities of success, the monotonicity is violated.

Usage

monocheck(object, strict = FALSE)

Value

a logical vector for each item or category indicating whether the monotonicity is violated (TRUE) or not (FALSE)

Arguments

object

object of class GDINA

strict

whether a strict monotonicity is checked?

Examples

if (FALSE) {
dat <- sim10GDINA$simdat
Q <- sim10GDINA$simQ


mod1 <- GDINA(dat = dat, Q = Q, model = "GDINA")
check <- monocheck(mod1)
check
mod2 <- GDINA(dat = dat, Q = Q, model = "GDINA",mono.constraint = check)
check2 <- monocheck(mod2)
check2
}