api | The Z3 appropriateness index |
dpv | Draw plausible values |
eap | EAP estimation of ability |
est | Estimate item parameters |
iif | Item information function |
irf | Item response function |
irtoys-package | Estimate and plot IRT models for binary responses |
itf | Test item fit |
mlebme | Maximum likelihood and Bayes Modal estimation of ability |
normal.qu | Normal quadrature points and weights |
npp | Non-parametric characteristic curves |
plot.iif | A plot method for item information functions |
plot.irf | A plot method for item response functions |
plot.tif | A plot method for test information functions |
plot.trf | A plot method for test response functions |
qrs | Quantiles of the ranked sum scores |
read.ip.bilog | Read in parameter estimates |
read.ip.icl | Read in parameter estimates |
read.qu.icl | Read in quadrature |
read.resp | Read responses from a file |
sca | Linear transformation of the IRT scale |
sco | Score a multiple choice test |
Scored | Binary (true/false) responses to a test |
Scored2pl | Example item parameters |
scp | Plot observed and predicted scores against ability |
sim | Simulate response data |
tet | Approximate tetrachoric correlation matrix |
tgp | Non-parametric option curves |
tia | Elementary test-item analysis |
tif | Test information function |
trf | Test response function |
tsc | True scores with standard errors |
Unscored | Original, unscored multiple-choice responses to a test |
wle | Bias-corrected (Warm's) estimates of ability |
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.