irtoys-package |
Estimate and plot IRT models bor binary responses |
adv.scale |
Internal functions |
eap |
EAP estimation of ability |
eap.one |
Internal functions |
est |
Estimate item parameters |
est.blm |
Internal functions |
est.icl |
Internal functions |
est.ltm |
Internal functions |
grp |
Bin the latent variable estimates |
hb |
Internal functions |
iif |
Item information function |
internal |
Internal functions |
irf |
Item response function |
irtoys |
Estimate and plot IRT models bor binary responses |
itf |
Test item fit |
l2m |
Transform a list of lists... to a matrix |
llf |
Internal functions |
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 |
sim |
Simulate response data |
simple.scale |
Internal functions |
sl |
Internal functions |
tgp |
Non-parametric option curves |
tif |
Test information function |
trf |
Test response function |
Unscored |
Original, unscored multiple-choice responses to a test |