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sirt (version 0.36-30)

Supplementary Item Response Theory Models

Description

Supplementary item response theory models to complement existing functions in R.

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Version

Install

install.packages('sirt')

Monthly Downloads

2,612

Version

0.36-30

License

GPL (>= 2)

Maintainer

Alexander Robitzsch

Last Published

September 8th, 2013

Functions in sirt (0.36-30)

data.pisaMath

Dataset PISA Mathematics
data.timss

Dataset TIMSS Mathematics
data.ml

Multilevel Datasets
R2noharm.EAP

EAP Factor Score Estimation
data.math

Dataset Mathematics
data.read

Dataset Reading
data.pisaPars

Item Parameters from two PISA Studies
dif.variance

DIF Variance
data.long

Longitudinal Dataset
dirichlet.simul

Simulation of a Dirichlet Distributed Vectors
gom.em

Discrete (Rasch) Grade of Membership Model
conf.detect

Confirmatory DETECT Analysis
rm.facets

Rater Facets Models with Item/Rater Intercepts and Slopes
data.noharm

Dataset for NOHARM Analysis
eigenvalues.manymatrices

Computation of Eigenvalues of Many Symmetric Matrices
mcmc.list.descriptives

Computation of Descriptive Statistics for a mcmc.list Object
equating.rasch.jackknife

Jackknife Equating Error in Generalized Logistic Rasch Model
equating.rasch

Equating in the Generalized Logistic Rasch Model
qmc.nodes

Calculation of Quasi Monte Carlo Integration Points
greenyang.reliability

Reliability for Dichotomous Item Response Data Using the Method of Green and Yang (2009)
modelfit.sirt

Model Fit of Item Response Models
dirichlet.mle

Maximum Likelihood Estimation of the Dirichlet Distribution
rm.hrm

Hierachical Rater Model Based on Signal Detection Theory
gom.jml

Grade of Membership Model (Joint Maximum Likelihood Estimation)
fit.isop

Fitting the ISOP and ADISOP Model for Frequency Tables
stratified.cronbach.alpha

Stratified Cronbach's Alpha
sim.raschtype

Simulate from Generalized Logistic Item Response Model
lsdm

Least Square Distance Method of Cognitive Validation
detect.index

Calculation of the DETECT Index
linking.haberman

Linking in the 2PL/Generalized Partial Credit Model
plausible.value.imputation.raschtype

Plausible Value Imputation in Generalized Logistic Item Response Model
rasch.jml.jackknife1

Jackknifing the IRT Model Estimated by Joint Maximum Likelihood (JML)
rasch.pairwise

Pairwise Estimation Method of the Rasch Model
expl.detect

Exploratory DETECT Analysis
matrixfunctions.sirt

Some Matrix Functions
testlet.yen.q3

$Q_3$ Statistic of Yen (1984) for Testlets
isop.scoring

Scoring Persons and Items in the ISOP Model
rasch.va

Estimation of the Rasch Model with Variational Approximation
plot.mcmc.sirt

Plot Function for Objects of Class mcmc.sirt
rasch.mirtlc

Multidimensional Latent Class 1PL and 2PL Model
dif.logistic.regression

Differential Item Functioning using Logistic Regression Analysis
data.pisaRead

Dataset PISA Reading
rasch.jml

Joint Maximum Likelihood (JML) Estimation of the Rasch Model
data.big5

Dataset Big 5 from qgraph Package
pbivnorm2

Bivariate Normal Distribution
sim.qm.ramsay

Simulate from Ramsay's Quotient Model
dif.strata.variance

Stratified DIF Variance
wle.rasch.jackknife

Standard Error Estimation of WLE by Jackknifing
mcmc.2pno

MCMC Estimation of the Two-Parameter Normal Ogive Item Response Model
mcmc.2pnoh

MCMC Estimation of the Hierarchical IRT Model for Criterion-Referenced Measurement
mcmc.3pno.testlet

3PNO Testlet Model
rasch.pml2

Pairwise Marginal Likelihood Estimation for the Probit Rasch Model
latent.regression.em.raschtype

Latent Regression Model for the Generalized Logistic Item Response Model
monoreg.rowwise

Monotone Regression for Rows or Columns in a Matrix
rasch.jml.biascorr

Bias Correction of Item Parameters for Joint Maximum Likelihood Estimation in the Rasch model
prmse.subscores.scales

Proportional Reduction of Mean Squared Error (PRMSE) for Subscale Scores
sim.rasch.dep

Simulation of the Rasch Model with Locally Dependent Responses
mcmc.2pno.ml

Random Item Response Model / Multilevel IRT Model
data.ratings1

Rating Dataset 1
isop

Fit Unidimensional ISOP and ADISOP Model to Dichotomous and Polytomous Item Responses
yen.q3

Estimation of the $Q_3$ Statistic (Yen, 1984)
pgenlogis

Calculation of Probabilities in Generalized Logistic Item Response Models
rasch.pairwise.itemcluster

Pairwise Estimation of the Rasch Model for Locally Dependent Items
summary.mcmc.sirt

Summary Method for Objects of Class mcmc.sirt
mcmclist2coda

Write Coda File from an Object of Class mcmc.list
marginal.truescore.reliability

True-Score Reliability for Dichotomous Data
sirt-package

Supplementary Item Response Theory Models
person.parameter.rasch.copula

Person Parameter Estimation of the Rasch Copula Model (Braeken, 2011)
ccov.np

Nonparametric Estimation of Conditional Covariances of Item Pairs
smirt

Multidimensional Noncompensatory and Compensatory Item Response Model
rasch.mml2

Estimation of the Generalized Logistic Item Response Model, Ramsay's Quotient Model and a Nonparametric Item Response Model
plot.np.dich

Plot Method for Object of Class np.dich
reliability.nonlinearSEM

Estimation of Reliability for Confirmatory Factor Analyses Based on Dichotomous Data
prob.guttman

Probabilistic Guttman Model
wle.rasch

Weighted Likelihood Estimation of Person Abilities
tetrachoric2

Tetrachoric Correlation Matrix
md.pattern.sirt

Response Pattern in a Binary Matrix
R2noharm

Estimation of a NOHARM Analysis from within R
f1d.irt

Functional Unidimensional Item Response Model
rasch.copula2

Rasch Copula Model
class.accuracy.rasch

Classification Accuracy in the Rasch Model
rasch.prox

PROX Estimation Method for the Rasch Model
R2noharm.jackknife

Jackknife Estimation of NOHARM Analysis
np.dich

Nonparametric Estimation of Item Response Functions
personfit.stat

Person Fit Statistics for the Rasch Model
data.pars1.rasch

Item Parameters for 3 Studies Obtained by 1PL and 2PL Estimation