mirt-package | Full information maximum likelihood estimation of IRT models. |
anova-method | Compare nested models |
averageMI | Collapse values from multiple imputation draws |
bfactor | Full-Information Item Bi-factor and Two-Tier Analysis |
Bock1997 | Description of Bock 1997 data |
boot.mirt | Calculate bootstrapped standard errors for estimated models |
coef-method | Extract raw coefs from model object |
createItem | Create a user defined item with correct generic functions |
deAyala | Description of deAyala data |
DIF | Differential item functioning tests |
DiscreteClass-class | Class "DiscreteClass" |
DTF | Differential test functioning |
expand.table | Expand summary table of patterns and frequencies |
expected.item | Function to calculate expected value of item |
expected.test | Function to calculate expected test score |
extract.group | Extract a group from a multiple group mirt object |
extract.item | Extract an item object from mirt objects |
fixef | Compute latent regression fixed effects |
fscores | Methods for Function fscores |
imputeMissing | Imputing plausible data for missing values |
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 |
M2 | Compute M2 statistic |
mdirt | Multidimensional discrete item response theory |
mirt | Full-Information Item Factor Analysis (Multidimensional Item Response Theory) |
mirt.model | Specify model loadings |
mirtCluster | Define a parallel cluster object to be used in internal functions |
MixedClass-class | Class "MixedClass" |
mixedmirt | Mixed effects modeling for MIRT models |
mod2values | Convert an estimated mirt model to special data.frame |
multipleGroup | Multiple Group Estimation |
MultipleGroupClass-class | Class "MultipleGroupClass" |
personfit | Person fit statistics |
PLCI.mirt | Compute profiled-likelihood confidence intervals |
plot-method | Plot various test implied functions from models |
print-method | Print the model objects |
probtrace | Function to calculate probability trace lines |
randef | Compute random effects |
residuals-method | Compute model residuals |
SAT12 | Description of SAT12 data |
Science | Description of Science data |
show-method | Show model object |
simdata | Simulate response patterns |
SingleGroupClass-class | Class "SingleGroupClass" |
summary-method | Summary of model object |
testinfo | Function to calculate test information |
wald | Wald test for mirt models |