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Multidimensional IRT in R: mirt Package by gonzalesmartinez is a document available to read on EtoBox.
What is Multidimensional IRT in R: mirt Package about?
The document discusses the mirt package for R, designed for estimating multidimensional item response theory (IRT) parameters using maximum-likelihood methods. It highlights the limitations of existing R packages for IRT, particularly in handling multidimensional models, and presents the methods employed in mirt for exploratory and confirmatory item analysis. The paper also outlines the advancements in parameter estimation techniques, including the use of stochastic algorithms and the Gauss-Hermite quadratu
- Author
- gonzalesmartinez
- Language
- EN