x2_itemf

matrix of estimations of the parameters of the items (alphas, d's, guessing).

zetas

list with Patterns, frequencies and traits.

patterns

It is the function with which the expected probability, by default median 
is calculated in each group.

Provides a C++ implementation of the Multidimensional Item Response Theory (MIRT) capable of performing parameter and traits estimations. It also provides a list of options to perform an optimal analysis and obtain useful information about the resulting model. This package is a work of SICS Research Group, Universidad Nacional de Colombia.

x2_itemf: Statistical x2.

Description

Usage

Arguments