IRT.data.tam.Rd
Extracts the used data set for models
fitted in TAM. See CDM::IRT.data
for more details.
# S3 method for tam.mml IRT.data(object, ...) # S3 method for tam.mml.3pl IRT.data(object, ...) # S3 method for tamaan IRT.data(object, ...)
object | Object of class |
---|---|
... | Further arguments to be passed |
A dataset with item responses
if (FALSE) { ############################################################################# # EXAMPLE 1: Dichotomous data data.sim.rasch ############################################################################# data(data.sim.rasch) dat <- data.sim.rasch # estimate model mod1 <- TAM::tam.mml(dat) # extract dataset (and weights and group if available) dmod1 <- IRT.data(mod1) str(dmod1) }