parameters.initialize: parameters.initialize

In IRTpp: Estimating IRT Parameters using the IRT Methodology

Description

Function to initialize model parameters

Usage

parameters.initialize(dataset, model, dims, method = "DEFAULT",
  red.items = T)

Arguments

dataset	The dataset to calculate the initial parameters. A matrix of 0's and 1's
model	The model with dimensions.
dims	To set the dimensions of use in the test.
method	Optional, "PCA" for multidimensional and "ANDRADE" for unidimensional are the current implementations.
red.items	Optional, default true. Reduces the dataset to the dataset without trash items.s

Value

Initial values for a estimation on the dataset and the model.

References

Andrade, D. F. , Tavares, H. R. y Valle, R. C. (2000). Teoria da resposta ao Item : Conceitos e Aplicacoes. SINAPE : Caxambu, MG

IRTpp documentation built on May 29, 2017, 9:58 a.m.