LSAT6                   LSAT6 Data
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) Approach
cac_rud                 Classification Accuracy and Consistency Based
                        on Rudner's (2001, 2005) Approach
catsib                  CATSIB DIF Detection Procedure
covirt                  Asymptotic Variance-Covariance Matrices of Item
                        Parameter Estimates
crdif                   Residual-Based DIF Detection Framework Using
                        Categorical Residuals (RDIF-CR)
ctt                     Classical Test Theory (CTT) Item and Test
                        Analysis
ctt_distr               Option/Category Response Distribution and
                        Distractor Analysis
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
find_cut                Find TIF-Crossing Cut Scores for MST Routing
freq_score              Frequency Distribution Table for Total Scores
gen.weight              Generate Weights
getirt                  Extract Components from 'est_irt', 'est_mg', or
                        'est_item' Objects
grdif                   Generalized IRT residual-based DIF detection
                        framework for multiple groups (GRDIF)
info                    Item and Test Information Function
irtQ-package            irtQ: Unidimensional Item Response Theory
                        Modeling
irtfit                  Traditional IRT Item Fit Statistics
llike_score             Log-Likelihood of Ability Parameters
lwrc                    Lord-Wingersky Recursion Formula
panel_info              Extract Panel Structure from an MST Route Map
pcd2                    Pseudo-count D2 method
plot.find_cut           Plot TIF Curves and Cut Scores from a
                        'find_cut' Result
plot.info               Plot Item and Test Information Functions
plot.irtfit             Draw Raw and Standardized Residual Plots
plot.traceline          Plot Item and Test Characteristic Curves
print.ctt               Print a Combined CTT Analysis
print.summary.ctt       Print the Full Report for a Combined CTT
                        Analysis
prm                     Polytomous Response Model (PRM) Probabilities
                        (GRM and GPCM)
rdif                    IRT Residual-Based Differential Item
                        Functioning (RDIF) Detection Framework
reval_mst               Recursion-based MST evaluation method
ripd                    Residual-based Item Parameter Drift (RIPD)
                        Detection Framework
run_flexmirt            Run flexMIRT from Within R
run_mst                 Multistage-Adaptive Test (MST) Simulation
score_resp              Score Selected-Response Item Data Against an
                        Answer Key
shape_df                Create a Data Frame of Item Metadata
shape_df_fipc           Combine fixed and new item metadata for
                        fixed-item parameter calibration (FIPC)
simCAT_DC               Simulated Single-Item Format CAT Data
simCAT_MX               Simulated Mixed-Item Format CAT Data
simIPD                  Simulated CAT Data for Item Parameter Drift
                        (IPD) Detection
simMG                   Simulated multiple-group data
simMST                  Simulated 1-3-3 MST Panel Data
simdat                  Simulated Response Data
summary                 Summary of Item Calibration Results
summary.ctt             Summarize a Combined CTT Analysis
sx2_fit                 S-X2 Fit Statistic
traceline               Compute Item/Test Characteristic Functions
write.flexmirt          Write a "-prm.txt" File for flexMIRT
