Multidimensional Item Response Theory


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Documentation for package ‘mirt’ version 0.5.0

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mirt-package Full information maximum likelihood estimation of IRT models.
anova-method Confirmatory Full-Information Item Factor Analysis
anova-method Full-Information Item Factor Analysis (Multidimensional Item Response Theory)
anova-method Mixed effects modeling for MIRT models
anova-method Multiple Group Estimation
bfactor Full-Information Item Bi-factor Analysis
calcLogLik Monte Carlo Log-Likelihood Calculation
calcLogLik-method Monte Carlo Log-Likelihood Calculation
coef-method Confirmatory Full-Information Item Factor Analysis
coef-method Full-Information Item Factor Analysis (Multidimensional Item Response Theory)
coef-method Mixed effects modeling for MIRT models
coef-method Multiple Group Estimation
ConfirmatoryClass-class Class "ConfirmatoryClass"
confmirt Confirmatory Full-Information Item Factor Analysis
confmirt.model Specify model loadings
deAyala Description of deAyala data
expand.table Expand summary table of patterns and frequencies
ExploratoryClass-class Class "ExploratoryClass"
extract.item Extract an item object from mirt objects
fitIndices Compute Extra Model Fit Indices
fitted-method Confirmatory Full-Information Item Factor Analysis
fitted-method Full-Information Item Factor Analysis (Multidimensional Item Response Theory)
fscores Methods for Function fscores
itemfit Item fit statistics
iteminfo Function to calculate item information
itemplot Displays item surface and information plots
key2binary Convert response patterns to binary data
LSAT6 Description of LSAT6 data
LSAT7 Description of LSAT7 data
mirt Full-Information Item Factor Analysis (Multidimensional Item Response Theory)
MixedClass-class Class "MixedClass"
mixedmirt Mixed effects modeling for MIRT models
multipleGroup Multiple Group Estimation
MultipleGroupClass-class Class "MultipleGroupClass"
personfit Person fit statistics
plot-method Confirmatory Full-Information Item Factor Analysis
plot-method Full-Information Item Factor Analysis (Multidimensional Item Response Theory)
polymirt Full-Information Item Factor Analysis for Mixed Data Formats
print-method Class "ConfirmatoryClass"
print-method Class "ExploratoryClass"
print-method Class "MixedClass"
print-method Class "MultipleGroupClass"
print.wald Wald test for mirt models
read.mirt Translate mirt parameters for plink package
residuals-method Confirmatory Full-Information Item Factor Analysis
residuals-method Full-Information Item Factor Analysis (Multidimensional Item Response Theory)
SAT12 Description of SAT12 data
Science Description of Science data
show-method Class "ConfirmatoryClass"
show-method Class "ExploratoryClass"
show-method Class "MixedClass"
show-method Class "MultipleGroupClass"
simdata Simulate response patterns
summary-method Confirmatory Full-Information Item Factor Analysis
summary-method Full-Information Item Factor Analysis (Multidimensional Item Response Theory)
summary-method Mixed effects modeling for MIRT models
summary-method Multiple Group Estimation
testinfo Function to calculate test information
wald Wald test for mirt models