Expected Values and Predicted Probabilities for Fitted TAM Models

Extracts predicted values from the posterior distribution for models fitted in TAM.

See CDM::predict for more details.

# S3 method for tam.mml
predict(object, ...)

# S3 method for tam.mml.3pl
predict(object, ...)

# S3 method for tamaan
predict(object, ...)

Arguments

object

Object of class tam, tam.mml, tam.mml.3pl or tamaan.

...

Further arguments to be passed

Value

List with entries for predicted values (expectations and probabilities) for each person and each item.

See predict (CDM).

Examples

#############################################################################
# EXAMPLE 1: Dichotomous data sim.rasch - predict method
#############################################################################

data(data.sim.rasch)
# 1PL estimation
mod1 <- TAM::tam.mml(resp=data.sim.rasch)
# predict method
prmod1 <- IRT.predict(mod1, data.sim.rasch)
str(prmod1)