IRT.mle                 Person Parameter Estimation
Q3                      Estimation of the Q_3 Statistic (Yen, 1984)
Q3.testlet              Q_3 Statistic of Yen (1984) for Testlets
R2conquest              Running ConQuest From Within R
R2noharm                Estimation of a NOHARM Analysis from within R
R2noharm.EAP            EAP Factor Score Estimation
R2noharm.jackknife      Jackknife Estimation of NOHARM Analysis
automatic.recode        Automatic Method of Finding Keys in a Dataset
                        with Raw Item Responses
brm.sim                 Functions for the Beta Item Response Model
btm                     Extended Bradley-Terry Model
categorize              Categorize and Decategorize Variables in a Data
                        Frame
ccov.np                 Nonparametric Estimation of Conditional
                        Covariances of Item Pairs
cfa_meas_inv            Estimation of a Unidimensional Factor Model
                        under Full and Partial Measurement Invariance
class.accuracy.rasch    Classification Accuracy in the Rasch Model
conf.detect             Confirmatory DETECT and polyDETECT Analysis
data.activity.itempars
                        Item Parameters Cultural Activities
data.befki              BEFKI Dataset (Schroeders, Schipolowski, &
                        Wilhelm, 2015)
data.big5               Dataset Big 5 from 'qgraph' Package
data.bs                 Datasets from Borg and Staufenbiel (2007)
data.eid                Examples with Datasets from Eid and Schmidt
                        (2014)
data.ess2005            Dataset European Social Survey 2005
data.g308               C-Test Datasets
data.inv4gr             Dataset for Invariance Testing with 4 Groups
data.liking.science     Dataset 'Liking For Science'
data.long               Longitudinal Dataset
data.lsem01             Datasets for Local Structural Equation Models /
                        Moderated Factor Analysis
data.math               Dataset Mathematics
data.mcdonald.act15     Some Datasets from McDonald's _Test Theory_
                        Book
data.mixed1             Dataset with Mixed Dichotomous and Polytomous
                        Item Responses
data.ml                 Multilevel Datasets
data.noharm18           Datasets for NOHARM Analysis
data.pars1.rasch        Item Parameters for Three Studies Obtained by
                        1PL and 2PL Estimation
data.pirlsmissing       Dataset from PIRLS Study with Missing Responses
data.pisaMath           Dataset PISA Mathematics
data.pisaPars           Item Parameters from Two PISA Studies
data.pisaRead           Dataset PISA Reading
data.pw01               Datasets for Pairwise Comparisons
data.ratings            Rating Datasets
data.raw1               Dataset with Raw Item Responses
data.read               Dataset Reading
data.reck               Datasets from Reckase' Book _Multidimensional
                        Item Response Theory_
data.sirt               Some Example Datasets for the 'sirt' Package
data.timss              Dataset TIMSS Mathematics
data.timss07.G8.RUS     TIMSS 2007 Grade 8 Mathematics and Science
                        Russia
data.trees              Dataset Used in Stoyan, Pommerening and
                        Wuensche (2018)
data.wide2long          Converting a Data Frame from Wide Format in a
                        Long Format
detect.index            Calculation of the DETECT and polyDETECT Index
dif.logistic.regression
                        Differential Item Functioning using Logistic
                        Regression Analysis
dif.strata.variance     Stratified DIF Variance
dif.variance            DIF Variance
dirichlet.mle           Maximum Likelihood Estimation of the Dirichlet
                        Distribution
dirichlet.simul         Simulation of a Dirichlet Distributed Vectors
dmlavaan                Comparing Regression Parameters of Different
                        lavaan Models Fitted to the Same Dataset
eigenvalues.manymatrices
                        Computation of Eigenvalues of Many Symmetric
                        Matrices
equating.rasch          Equating in the Generalized Logistic Rasch
                        Model
equating.rasch.jackknife
                        Jackknife Equating Error in Generalized
                        Logistic Rasch Model
expl.detect             Exploratory DETECT Analysis
f1d.irt                 Functional Unidimensional Item Response Model
fit.isop                Fitting the ISOP and ADISOP Model for Frequency
                        Tables
fuzcluster              Clustering for Continuous Fuzzy Data
fuzdiscr                Estimation of a Discrete Distribution for Fuzzy
                        Data (Data in Belief Function Framework)
gom.em                  Discrete (Rasch) Grade of Membership Model
gom.jml                 Grade of Membership Model (Joint Maximum
                        Likelihood Estimation)
greenyang.reliability   Reliability for Dichotomous Item Response Data
                        Using the Method of Green and Yang (2009)
invariance.alignment    Alignment Procedure for Linking under
                        Approximate Invariance
isop.dich               Fit Unidimensional ISOP and ADISOP Model to
                        Dichotomous and Polytomous Item Responses
isop.scoring            Scoring Persons and Items in the ISOP Model
isop.test               Testing the ISOP Model
latent.regression.em.raschtype
                        Latent Regression Model for the Generalized
                        Logistic Item Response Model and the Linear
                        Model for Normal Responses
lavaan2mirt             Converting a 'lavaan' Model into a 'mirt' Model
lc.2raters              Latent Class Model for Two Exchangeable Raters
                        and One Item
likelihood.adjustment   Adjustment and Approximation of Individual
                        Likelihood Functions
linking.haberman        Linking in the 2PL/Generalized Partial Credit
                        Model
linking.haebara         Haebara Linking of the 2PL Model for Multiple
                        Studies
linking.robust          Robust Linking of Item Intercepts
lq_fit                  Fit of a L_q Regression Model
lsdm                    Least Squares Distance Method of Cognitive
                        Validation
lsem.estimate           Local Structural Equation Models (LSEM)
lsem.permutationTest    Permutation Test for a Local Structural
                        Equation Model
lsem.test               Test a Local Structural Equation Model Based on
                        Bootstrap
marginal.truescore.reliability
                        True-Score Reliability for Dichotomous Data
mcmc.2pno               MCMC Estimation of the Two-Parameter Normal
                        Ogive Item Response Model
mcmc.2pno.ml            Random Item Response Model / Multilevel IRT
                        Model
mcmc.2pnoh              MCMC Estimation of the Hierarchical IRT Model
                        for Criterion-Referenced Measurement
mcmc.3pno.testlet       3PNO Testlet Model
mcmc.list.descriptives
                        Computation of Descriptive Statistics for a
                        'mcmc.list' Object
mcmc_Rhat               Computation of the Rhat Statistic from a Single
                        MCMC Chain
mcmc_coef               Some Methods for Objects of Class 'mcmc.list'
mcmclist2coda           Write Coda File from an Object of Class
                        'mcmc.list'
md.pattern.sirt         Response Pattern in a Binary Matrix
mgsem                   Estimation of Multiple-Group Structural
                        Equation Models
mirt.specify.partable   Specify or modify a Parameter Table in 'mirt'
mirt.wrapper            Some Functions for Wrapping with the 'mirt'
                        Package
mle.pcm.group           Maximum Likelihood Estimation of Person or
                        Group Parameters in the Generalized Partial
                        Credit Model
modelfit.sirt           Assessing Model Fit and Local Dependence by
                        Comparing Observed and Expected Item Pair
                        Correlations
monoreg.rowwise         Monotone Regression for Rows or Columns in a
                        Matrix
nedelsky.sim            Functions for the Nedelsky Model
noharm.sirt             NOHARM Model in R
np.dich                 Nonparametric Estimation of Item Response
                        Functions
parmsummary_extend      Includes Confidence Interval in Parameter
                        Summary Table
pbivnorm2               Cumulative Function for the Bivariate Normal
                        Distribution
pcm.conversion          Conversion of the Parameterization of the
                        Partial Credit Model
pcm.fit                 Item and Person Fit Statistics for the Partial
                        Credit Model
person.parameter.rasch.copula
                        Person Parameter Estimation of the Rasch Copula
                        Model (Braeken, 2011)
personfit.stat          Person Fit Statistics for the Rasch Model
pgenlogis               Calculation of Probabilities and Moments for
                        the Generalized Logistic Item Response Model
plausible.value.imputation.raschtype
                        Plausible Value Imputation in Generalized
                        Logistic Item Response Model
plot.mcmc.sirt          Plot Function for Objects of Class 'mcmc.sirt'
plot.np.dich            Plot Method for Object of Class 'np.dich'
polychoric2             Polychoric Correlation
prior_model_parse       Parsing a Prior Model
prmse.subscores.scales
                        Proportional Reduction of Mean Squared Error
                        (PRMSE) for Subscale Scores
prob.guttman            Probabilistic Guttman Model
qmc.nodes               Calculation of Quasi Monte Carlo Integration
                        Points
rasch.copula2           Multidimensional IRT Copula Model
rasch.evm.pcm           Estimation of the Partial Credit Model using
                        the Eigenvector Method
rasch.jml               Joint Maximum Likelihood (JML) Estimation of
                        the Rasch Model
rasch.jml.biascorr      Bias Correction of Item Parameters for Joint
                        Maximum Likelihood Estimation in the Rasch
                        model
rasch.jml.jackknife1    Jackknifing the IRT Model Estimated by Joint
                        Maximum Likelihood (JML)
rasch.mirtlc            Multidimensional Latent Class 1PL and 2PL Model
rasch.mml2              Estimation of the Generalized Logistic Item
                        Response Model, Ramsay's Quotient Model,
                        Nonparametric Item Response Model,
                        Pseudo-Likelihood Estimation and a Missing Data
                        Item Response Model
rasch.pairwise          Pairwise Estimation Method of the Rasch Model
rasch.pairwise.itemcluster
                        Pairwise Estimation of the Rasch Model for
                        Locally Dependent Items
rasch.pml3              Pairwise Marginal Likelihood Estimation for the
                        Probit Rasch Model
rasch.prox              PROX Estimation Method for the Rasch Model
rasch.va                Estimation of the Rasch Model with Variational
                        Approximation
reliability.nonlinearSEM
                        Estimation of Reliability for Confirmatory
                        Factor Analyses Based on Dichotomous Data
resp_groupwise          Creates Group-Wise Item Response Dataset
rinvgamma2              Inverse Gamma Distribution in Prior Sample Size
                        Parameterization
rm.facets               Rater Facets Models with Item/Rater Intercepts
                        and Slopes
rm.sdt                  Hierarchical Rater Model Based on Signal
                        Detection Theory (HRM-SDT)
rmvn                    Simulation of a Multivariate Normal
                        Distribution with Exact Moments
rowMaxs.sirt            Some Matrix Functions
scale_group_means       Scaling of Group Means and Standard Deviations
sia.sirt                Statistical Implicative Analysis (SIA)
sim.qm.ramsay           Simulate from Ramsay's Quotient Model
sim.rasch.dep           Simulation of the Rasch Model with Locally
                        Dependent Responses
sim.raschtype           Simulate from Generalized Logistic Item
                        Response Model
sirt-defunct            Defunct 'sirt' Functions
sirt-package            Supplementary Item Response Theory Models
sirt-utilities          Utility Functions in 'sirt'
sirt_eigenvalues        First Eigenvalues of a Symmetric Matrix
smirt                   Multidimensional Noncompensatory, Compensatory
                        and Partially Compensatory Item Response Model
stratified.cronbach.alpha
                        Stratified Cronbach's Alpha
summary.mcmc.sirt       Summary Method for Objects of Class 'mcmc.sirt'
tam2mirt                Converting a fitted 'TAM' Object into a 'mirt'
                        Object
testlet.marginalized    Marginal Item Parameters from a Testlet
                        (Bifactor) Model
tetrachoric2            Tetrachoric Correlation Matrix
truescore.irt           Conversion of Trait Scores theta into True
                        Scores tau ( theta )
unidim.test.csn         Test for Unidimensionality of CSN
wle.rasch               Weighted Likelihood Estimation of Person
                        Abilities
wle.rasch.jackknife     Standard Error Estimation of WLE by Jackknifing
xxirt                   User Defined Item Response Model
xxirt_createParTable    Create Item Response Functions and Item
                        Parameter Table
xxirt_createThetaDistribution
                        Creates a User Defined Theta Distribution
