| bind.fill | Bind Fill |
| bisection | The bisection method to find a root |
| bring.flexmirt | Import Item and Ability Parameters from IRT Software |
| cac_lee | Classification accuracy and consistency using Lee's (2010)... |
| cac_rud | Classification accuracy and consistency using Rudner's (2001,... |
| catsib | CATSIB DIF detection procedure |
| covirt | Asymptotic variance-covariance matrices of item parameter... |
| drm | Dichotomous Response Model (DRM) Probabilities |
| est_irt | Item parameter estimation using MMLE-EM algorithm |
| est_item | Fixed ability parameter calibration |
| est_mg | Multiple-group item calibration using MMLE-EM algorithm |
| est_score | Estimate examinees' ability (proficiency) parameters |
| gen.weight | Generate Weights |
| getirt | Extract various elements from 'est_irt', 'est_mg', and... |
| grdif | Generalized IRT residual-based DIF detection framework for... |
| info | Item and Test Information Function |
| irtfit | Traditional IRT item fit statistics |
| irtQ-package | irtQ: Unidimensional Item Response Theory Modeling |
| llike_score | Loglikelihood of Ability Parameters |
| LSAT6 | LSAT6 data |
| lwrc | Lord-Wingersky Recursion Formula |
| pcd2 | Pseudo-count D2 method |
| plot.info | Plot Item and Test Information Functions |
| plot.irtfit | Draw raw and standardized residual plots |
| plot.traceline | Plot ICC and TCC |
| prm | Polytomous Response Model (PRM) Probabilities (GRM and GPCM) |
| rdif | IRT residual-based differential item functioning (RDIF)... |
| reval_mst | Recursion-based MST evaluation method |
| run_flexmirt | Run flexMIRT through R |
| shape_df | Create a data frame of item metadata |
| simCAT_DC | Simulated single-item format CAT Data |
| simCAT_MX | Simulated mixed-item format CAT Data |
| simdat | Simulated Response Data |
| simMG | Simulated multiple-group data |
| simMST | Simulated 1-3-3 MST panel data |
| summary | Summary of item calibration |
| sx2_fit | S-X2 fit statistic |
| traceline | Compute Item/Test Characteristic Functions |
| write.flexmirt | Write a "-prm.txt" file for flexMIRT |
