Continuous              Detection of DIF for continuous item scores
                        using linear regression
ILHTEdif                Detect DIF via the IL-HTE mixed model
LRT                     Likelihood-Ratio Test DIF statistic
LassoData               Rearrange the data matrix for the Detection of
                        DIF using the Lasso Approach (Magis et al.
                        (2015)
LogistikPoly            Detection of DIF in polytomous (ordinal) items
                        using cumulative logistic regression
LordChi2                Lord's chi-square DIF statistic
RajuZ                   Raju's area DIF statistic
SCS                     Sexual Compulsivity Scale Data Set
SimDichoDif             Generation of DIF for dichotomous items
SimPolyDif              Generation of DIF for polytomous items
breslowDay              Breslow-Day DIF statistic
contrastMatrix          Contrast matrix for computing generalized
                        Lord's chi-squared DIF statistic
dichoDif                Comparison of DIF detection methods
difBD                   Breslow-Day DIF method
difContinuous           Detection of DIF for continuous items via
                        linear regression
difGMH                  Generalized Mantel-Haenszel DIF method
difGenLogistic          Generalized logistic regression DIF method
difGenLord              Generalized Lord's chi-squared DIF method
difLRT                  Likelihood-Ratio Test DIF method
difLogReg               General logistic regression DIF method
difLogistic             Logistic regression DIF method
difLord                 Lord's chi-squared DIF method
difMH                   Mantel-Haenszel DIF method
difMantel.poly          Mantel Differential Item Functioning Detection
                        for Polytomous Items
difPolyLogistic         Logistic regression DIF statistics for
                        polytomous (ordinal) items
difQuade                Detection of Differential Item Functioning
                        Using Quade-Type Association Indices for
                        Polytomous (Ordinal) Item
difR-package            Collection of methods to detect dichotomous,
                        polytomous, and continuous differential item
                        functioning (DIF) in psychometrics
difRaju                 Raju's area DIF method
difSIBTEST              SIBTEST and Crossing-SIBTEST DIF method
difStd                  Standardization DIF method
difTID                  Transformed Item Difficulties (TID) DIF method
genDichoDif             Comparison of DIF detection methods among
                        multiple groups
genLogistik             Generalized logistic regression DIF statistic
genLordChi2             Generalized Lord's chi-squared DIF statistic
genMantelHaenszel       Generalized Mantel-Haenszel DIF statistic
itemPar1PL              Item parameter estimation for DIF detection
                        using Rasch (1PL) model
itemPar2PL              Item parameter estimation for DIF detection
                        using 2PL model
itemPar3PL              Item parameter estimation for DIF detection
                        using 3PL model
itemPar3PLconst         Item parameter estimation for DIF detection
                        using constrained 3PL model
itemParEst              Item parameter estimation for DIF detection
itemRescale             Rescaling item parameters by equal means
                        anchoring
lassoDIF.ABWIC          Detection of Differential Item Functioning
                        Using the Lasso Approach: Selection of Optimal
                        lambda Value
lassoDIF.CV             Detection of Differential Item Functioning
                        Using the Lasso Approach: Selection of Optimal
                        lambda via Cross-Validation
liu_agresti_ccor        Liu-Agresti Common Cumulative Odds Ratio
mantelHaenszel          Mantel-Haenszel DIF statistic
plot_lasso_paths        Plot coefficient paths from LASSO DIF
selectDif               Selection of one of the DIF detection methods
selectGenDif            Selection of one of the DIF detection methods
                        among multiple groups
sibTest                 SIBTEST DIF statistic
stdPDIF                 Standardization DIF statistic
subtestLogistic         Testing for DIF among subgroups with
                        generalized logistic regression
verbal                  Verbal Aggression Data Set
