Supplementary Item Response Theory Models


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Documentation for package ‘sirt’ version 0.42-25

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A C D E F G I L M N P Q R S T W Y

sirt-package Supplementary Item Response Theory Models

-- A --

automatic.recode Automatic Method of Finding Keys in a Dataset with Raw Item Responses

-- C --

ccov.np Nonparametric Estimation of Conditional Covariances of Item Pairs
class.accuracy.rasch Classification Accuracy in the Rasch Model
colCumsums.sirt Some Matrix Functions
conf.detect Confirmatory DETECT Analysis

-- D --

data.activity.itempars Item Parameters Cultural Activities
data.big5 Dataset Big 5 from 'qgraph' Package
data.big5.qgraph Dataset Big 5 from 'qgraph' Package
data.ess2005 Dataset European Social Survey 2005
data.inv4gr Dataset for Invariance Testing with 4 Groups
data.long Longitudinal Dataset
data.math Dataset Mathematics
data.mcdonald.act15 Some Datasets from McDonald's _Test Theory_ Book
data.mcdonald.LSAT6 Some Datasets from McDonald's _Test Theory_ Book
data.mcdonald.rape Some Datasets from McDonald's _Test Theory_ Book
data.mixed1 Dataset with Mixed Dichotomous and Polytomous Item Responses
data.ml Multilevel Datasets
data.ml1 Multilevel Datasets
data.ml2 Multilevel Datasets
data.noharm18 Datasets for NOHARM Analysis
data.noharmExC Datasets for NOHARM Analysis
data.pars1.2pl Item Parameters for Three Studies Obtained by 1PL and 2PL Estimation
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.ratings1 Rating Dataset 1
data.raw1 Dataset with Raw Item Responses
data.read Dataset Reading
data.reck Datasets from Reckase' Book _Multidimensional Item Response Theory_
data.reck21 Datasets from Reckase' Book _Multidimensional Item Response Theory_
data.reck61DAT1 Datasets from Reckase' Book _Multidimensional Item Response Theory_
data.reck61DAT2 Datasets from Reckase' Book _Multidimensional Item Response Theory_
data.si01 Some Example Datasets for the 'sirt' Package
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.wide2long Converting a Data Frame from Wide Format in a Long Format
detect.index Calculation of the DETECT 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

-- E --

eigenvalues.manymatrices Computation of Eigenvalues of Many Symmetric Matrices
eigenvalues.sirt First Eigenvalues of a Symmetric Matrix
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

-- F --

f1d.irt Functional Unidimensional Item Response Model
fit.adisop Fitting the ISOP and ADISOP Model for Frequency Tables
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)

-- G --

genlogis.moments Calculation of Probabilities and Moments for the Generalized Logistic Item Response Model
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)

-- I --

invariance.alignment Alignment Procedure for Linking under Approximate Invariance
isop.dich Fit Unidimensional ISOP and ADISOP Model to Dichotomous and Polytomous Item Responses
isop.poly Fit Unidimensional ISOP and ADISOP Model to Dichotomous and Polytomous Item Responses
isop.scoring Scoring Persons and Items in the ISOP Model

-- L --

latent.regression.em.normal Latent Regression Model for the Generalized Logistic Item Response Model and the Linear Model for Normal Responses
latent.regression.em.raschtype Latent Regression Model for the Generalized Logistic Item Response Model and the Linear Model for Normal Responses
linking.haberman Linking in the 2PL/Generalized Partial Credit Model
lsdm Least Squares Distance Method of Cognitive Validation

-- M --

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
mcmclist2coda Write Coda File from an Object of Class 'mcmc.list'
md.pattern.sirt Response Pattern in a Binary Matrix
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.colwise Monotone Regression for Rows or Columns in a Matrix
monoreg.rowwise Monotone Regression for Rows or Columns in a Matrix

-- N --

np.dich Nonparametric Estimation of Item Response Functions

-- P --

pbivnorm2 Cumulative Function for the Bivariate Normal Distribution
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.invariance.alignment Alignment Procedure for Linking under Approximate Invariance
plot.isop Fit Unidimensional ISOP and ADISOP Model to Dichotomous and Polytomous Item Responses
plot.mcmc.sirt Plot Function for Objects of Class 'mcmc.sirt'
plot.np.dich Plot Method for Object of Class 'np.dich'
plot.rasch.mml Estimation of the Generalized Logistic Item Response Model, Ramsay's Quotient Model and a Nonparametric Item Response Model
prmse.subscores.scales Proportional Reduction of Mean Squared Error (PRMSE) for Subscale Scores
prob.guttman Probabilistic Guttman Model

-- Q --

qmc.nodes Calculation of Quasi Monte Carlo Integration Points

-- R --

R2noharm Estimation of a NOHARM Analysis from within R
R2noharm.EAP EAP Factor Score Estimation
R2noharm.jackknife Jackknife Estimation of NOHARM Analysis
rasch.copula2 Rasch Copula Model
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 and a Nonparametric 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.pml2 Pairwise Marginal Likelihood Estimation for the Probit Rasch Model
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
rm.facets Rater Facets Models with Item/Rater Intercepts and Slopes
rm.hrm Hierachical Rater Model Based on Signal Detection Theory (HRM-SDT)
rowCumsums.sirt Some Matrix Functions
rowIntervalIndex.sirt Some Matrix Functions
rowKSmallest.sirt Some Matrix Functions
rowKSmallest2.sirt Some Matrix Functions
rowMaxs.sirt Some Matrix Functions
rowMins.sirt Some Matrix Functions

-- S --

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 Supplementary Item Response Theory Models
smirt Multidimensional Noncompensatory and Compensatory Item Response Model
stratified.cronbach.alpha Stratified Cronbach's Alpha
summary.fuzcluster Clustering for Continuous Fuzzy Data
summary.gom Discrete (Rasch) Grade of Membership Model
summary.invariance.alignment Alignment Procedure for Linking under Approximate Invariance
summary.isop Fit Unidimensional ISOP and ADISOP Model to Dichotomous and Polytomous Item Responses
summary.latent.regression Latent Regression Model for the Generalized Logistic Item Response Model and the Linear Model for Normal Responses
summary.lsdm Least Squares Distance Method of Cognitive Validation
summary.mcmc.sirt Summary Method for Objects of Class 'mcmc.sirt'
summary.prob.guttman Probabilistic Guttman Model
summary.R2noharm Estimation of a NOHARM Analysis from within R
summary.R2noharm.jackknife Jackknife Estimation of NOHARM Analysis
summary.rasch.copula2 Rasch Copula Model
summary.rasch.jml Joint Maximum Likelihood (JML) Estimation of the Rasch Model
summary.rasch.mirtlc Multidimensional Latent Class 1PL and 2PL Model
summary.rasch.mml Estimation of the Generalized Logistic Item Response Model, Ramsay's Quotient Model and a Nonparametric Item Response Model
summary.rasch.pairwise Pairwise Estimation Method of the Rasch Model
summary.rasch.pml Pairwise Marginal Likelihood Estimation for the Probit Rasch Model
summary.rm.facets Rater Facets Models with Item/Rater Intercepts and Slopes
summary.rm.hrm Hierachical Rater Model Based on Signal Detection Theory (HRM-SDT)
summary.smirt Multidimensional Noncompensatory and Compensatory Item Response Model

-- T --

testlet.yen.q3 Q_3 Statistic of Yen (1984) for Testlets
tetrachoric2 Tetrachoric Correlation Matrix
truescore.irt Conversion of Trait Scores theta into True Scores tau ( theta )

-- W --

wle.rasch Weighted Likelihood Estimation of Person Abilities
wle.rasch.jackknife Standard Error Estimation of WLE by Jackknifing

-- Y --

yen.q3 Estimation of the Q_3 Statistic (Yen, 1984)