IRTpp (version 0.2.6.1)

parameter.list: Parameter list form

Description

Returns a parameter list from a parameter matrix.

Usage

parameter.list(pars, model = "3PL", dpar = NULL, cp = NULL)

Arguments

pars

The parameter matrix

model

The model whose the matrix refers to.

dpar

if the difficulty parameter is d and not b.

cp

if the guessing parameter is transformed to real scale.

Value

A list containing the model parameters.

See Also

parameter.matrix

Examples

## create the dataset
# data <- simulateTest(model = "3PL", items = 20, individuals = 200)
## extract the parameters and transform them from one list to matrix.
# zita <-data$itempars
# parameter matrix
# zita.m <- parameter.matrix(zita)
# parameter list
# zita.l <- parameter.list(zita)