data.pisaPars

This data frame contains item parameters from two PISA studies. 
Because the Rasch model is used, only item difficulties are considered.

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.

data.pisaPars: Item Parameters from Two PISA Studies

Description

Usage

Arguments