cat_clps | A recommendation for the category collapsing of items based on item parameters |
DataGeneration | Generating artificial item response data |
dist2 | Re-parameterized two-component normal mixture distribution |
GHc | Gauss-Hermite constants |
inform_f_item | Item information function |
inform_f_test | Test information function |
IRTest_Dich | Item and ability parameters estimation for dichotomous items |
IRTest_Mix | Item and ability parameters estimation for a mixed-format item response data |
IRTest_Poly | Item and ability parameters estimation for polytomous items |
item_fit | Item fit diagnostics |
latent_distribution | Latent density function |
original_par_2GM | Recovering original parameters of two-component Gaussian mixture distribution from re-parameterized parameters |
plot.irtest | Plotting the estimated latent distribution |
plot_item | Plot of item response function |
print.irtest | Print of the result |
print.irtest_summary | Print of the summary |
recategorize | Recategorization of data using a new categorization scheme |
reliability | Marginal reliability coefficient of IRT |
summary.irtest | Summary of the results |