data.ess2005

This dataset contains item loadings $\lambda$ and intercepts $\nu$
for 26 countries for the European Social Survey (ESS 2005;
see Asparouhov & Muthen, 2014).

datasets


    Supplementary item response theory models to complement existing 
    functions in R, including multidimensional compensatory and
    noncompensatory IRT models, MCMC for hierarchical IRT models and 
    testlet models, NOHARM, faceted and hierarchical rater models, 
    ordinal IRT model (ISOP), discrete grade of membership model,
    latent regression models, DETECT statistic.

Alexander Robitzsch

sirt

Supplementary Item Response Theory Models

data.ess2005 function

The format of the dataset is:
  
<code>List of 2</code> <code>$ lambda: num [1:26, 1:4] 0.688 0.721 0.72 0.687 0.625 ...</code> <code>..- attr(*, "dimnames")=List of 2</code> <code>.. ..$ : NULL</code> <code>.. ..$ : chr [1:4] "ipfrule" "ipmodst" "ipbhprp" "imptrad"</code> <code>$ nu    : num [1:26, 1:4] 3.26 2.52 3.41 2.84 2.79 ...</code> <code>..- attr(*, "dimnames")=List of 2</code> <code>.. ..$ : NULL</code> <code>.. ..$ : chr [1:4] "ipfrule" "ipmodst" "ipbhprp" "imptrad"</code>

data.ess2005: Dataset European Social Survey 2005

Description

Usage

Arguments

format

References