Dataset 'Liking For Science'
Dataset PISA Reading
DIF Variance
Dataset with Mixed Dichotomous and Polytomous Item Responses
Computation of Eigenvalues of Many Symmetric Matrices
Dataset Reading
Some Datasets from McDonald's Test Theory Book
Datasets for NOHARM Analysis
TIMSS 2007 Grade 8 Mathematics and Science Russia
Maximum Likelihood Estimation of Person or Group Parameters
in the Generalized Partial Credit Model
Reliability for Dichotomous Item Response Data
Using the Method of Green and Yang (2009)
Bias Correction of Item Parameters for Joint Maximum Likelihood Estimation
in the Rasch model
Calculation of the DETECT and polyDETECT Index
Testing the ISOP Model
Scoring Persons and Items in the ISOP Model
Datasets from Borg and Staufenbiel (2007)
C-Test Datasets
Dataset for Invariance Testing with 4 Groups
Statistical Implicative Analysis (SIA)
Cumulative Function for the Bivariate Normal Distribution
Item Parameters from Two PISA Studies
Dataset from PIRLS Study with Missing Responses
Item Parameters Cultural Activities
Confirmatory DETECT and polyDETECT Analysis
Dataset Mathematics
Jackknife Estimation of NOHARM Analysis
Fitting the ISOP and ADISOP Model for Frequency Tables
Datasets from Reckase' Book Multidimensional Item Response Theory
Some Example Datasets for the sirt Package
Dataset PISA Mathematics
Estimation of a NOHARM Analysis from within R
Person Parameter Estimation
Maximum Likelihood Estimation of the Dirichlet Distribution
Proportional Reduction of Mean Squared
Error (PRMSE) for Subscale Scores
Jackknifing the IRT Model Estimated by Joint Maximum Likelihood (JML)
Classification Accuracy in the Rasch Model
Exploratory DETECT Analysis
Alignment Procedure for Linking under Approximate Invariance
Estimation of the Partial Credit Model using the Eigenvector Method
Dataset Big 5 from qgraph Package Local Structural Equation Models (LSEM)
Simulation of a Dirichlet Distributed Vectors
Multidimensional Noncompensatory, Compensatory and Partially
Compensatory Item Response Model
Fit Unidimensional ISOP and ADISOP Model to Dichotomous
and Polytomous Item Responses
Extended Bradley-Terry Model
Converting a lavaan Model into a mirt Model
Rating Datasets
Response Pattern in a Binary Matrix
Dataset with Raw Item Responses
Nonparametric Estimation of Conditional Covariances of Item Pairs
Examples with Datasets from Eid and Schmidt (2014)
MCMC Estimation of the Two-Parameter Normal Ogive Item Response Model
Plot Function for Objects of Class mcmc.sirt
Estimation of Reliability for Confirmatory Factor Analyses
Based on Dichotomous Data
Clustering for Continuous Fuzzy Data
Write Coda File from an Object of Class mcmc.list
Calculation of Probabilities and Moments for the
Generalized Logistic Item Response Model
Converting a fitted TAM Object into a mirt Object
Nonparametric Estimation of Item Response Functions
Polychoric Correlation
Least Squares Distance Method of Cognitive Validation
Functional Unidimensional Item Response Model
PROX Estimation Method for the Rasch Model
Estimation of the Rasch Model with Variational Approximation
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
Linking in the 2PL/Generalized Partial Credit Model
Jackknife Equating Error in Generalized Logistic Rasch Model
MCMC Estimation of the Hierarchical IRT Model for Criterion-Referenced
Measurement
Equating in the Generalized Logistic Rasch Model
Datasets for Pairwise Comparisons
EAP Factor Score Estimation
marginal.truescore.reliability
True-Score Reliability for Dichotomous Data
Automatic Method of Finding Keys in a Dataset with Raw Item Responses
Some Matrix Functions
Categorize and Decategorize Variables in a Data Frame
Multidimensional IRT Copula Model
Datasets for Local Structural Equation Models / Moderated Factor Analysis
Item Parameters for Three Studies Obtained by 1PL and 2PL Estimation
Converting a Data Frame from Wide Format in a Long Format
Assessing Model Fit and Local Dependence by Comparing Observed and Expected
Item Pair Correlations
Differential Item Functioning using Logistic Regression Analysis
Summary Method for Objects of Class mcmc.sirt
Monotone Regression for Rows or Columns in a Matrix
Latent Class Model for Two Exchangeable Raters and One Item
Joint Maximum Likelihood (JML) Estimation of the Rasch Model
Multilevel Datasets
Some Functions for Wrapping with the mirt Package person.parameter.rasch.copula
Person Parameter Estimation of the Rasch Copula Model (Braeken, 2011)
Estimation of a Discrete Distribution for Fuzzy Data (Data in Belief Function
Framework)
Specify or modify a Parameter Table in mirt Person Fit Statistics for the Rasch Model
Functions for the Nedelsky Model
Running ConQuest From Within R
Robust Linking of Item Intercepts
Supplementary Item Response Theory Models
Longitudinal Dataset
Dataset European Social Survey 2005
Grade of Membership Model (Joint Maximum Likelihood Estimation)
Conversion of the Parameterization of the Partial Credit Model
Plot Method for Object of Class np.dich
Simulate from Generalized Logistic Item Response Model
stratified.cronbach.alpha
Stratified Cronbach's Alpha
Random Item Response Model / Multilevel IRT Model
rasch.pairwise.itemcluster
Pairwise Estimation of the Rasch Model for Locally Dependent Items
Computation of Descriptive Statistics for a mcmc.list Object
plausible.value.imputation.raschtype
Plausible Value Imputation in Generalized Logistic Item
Response Model
Permutation Test for a Local Structural Equation Model
NOHARM Model in R
Hierachical Rater Model Based on Signal Detection Theory (HRM-SDT)
Simulate from Ramsay's Quotient Model
Multidimensional Latent Class 1PL and 2PL Model
Pairwise Estimation Method of the Rasch Model
Item and Person Fit Statistics for the Partial Credit Model
Probabilistic Guttman Model
$Q_3$ Statistic of Yen (1984) for Testlets
Dataset TIMSS Mathematics
Rater Facets Models with Item/Rater Intercepts and Slopes
Pairwise Marginal Likelihood Estimation for the Probit Rasch Model
Functions for the Beta Item Response Model
latent.regression.em.raschtype
Latent Regression Model for the Generalized
Logistic Item Response Model and the Linear Model for Normal Responses
3PNO Testlet Model
Stratified DIF Variance
First Eigenvalues of a Symmetric Matrix
Calculation of Quasi Monte Carlo Integration Points
Adjustment and Approximation of Individual Likelihood Functions
Estimation of the $Q_3$ Statistic (Yen, 1984)
Marginal Item Parameters from a Testlet (Bifactor) Model
Discrete (Rasch) Grade of Membership Model
Standard Error Estimation of WLE by Jackknifing
Simulation of the Rasch Model with Locally Dependent Responses
Test for Unidimensionality of CSN
Tetrachoric Correlation Matrix
Weighted Likelihood Estimation of Person Abilities
Conversion of Trait Scores $\theta$ into
True Scores $\tau ( \theta )$