collapse_data | Collapses data for a given collapsing function |
dataset | Synthetic dataset of 1000 responses to 10 items, each with four categories, generated from a Partial Credit Model. |
gh | Table with GH points |
gpcm_IMT | Runs the GPCM model for use in the Information Matrix Test. |
IMT | Runs information matrix test for an information matrix test GPCM model. |