irtProb-package |
Utilities and Probability Distributions Related to Multidimensional Person Item Response Models (IRT) |
checkAdequation |
Function to Check the Adequation of the Second Derivatives |
ctt2irt |
Functions to Convert from and to CTT and IRT Models |
d4pl |
One, Two, Three and Four Parameters Logistic Distributions |
dm4pl |
Multidimensional One, Two, Three and Four Person Parameters Logistic Distributions |
fprime |
First and Second Derivatives |
fsecond |
First and Second Derivatives |
ggr4pl |
Simulation of Response Patterns and Computation of the Probability of the Patterns |
ggrm4pl |
Simulation of Response Patterns and Computation of the Probability of the Patterns from m4pl |
gr4pl |
Simulation of Response Patterns and Computation of the Probability of the Patterns |
grm4pl |
Simulation of Response Patterns and Computation of the Probability of the Patterns from m4pl |
groupLikelihoodCurves |
Functions to Graph m4pl Likelihood Curves |
irt2ctt |
Functions to Convert from and to CTT and IRT Models |
irtProb |
Utilities and Probability Distributions Related to Multidimensional Person Item Response Models (IRT) |
is.modelShow |
Functions To Manipulate modelShow Class Objects |
likelihoodCurve |
Functions to Graph m4pl Likelihood Curves |
m4plEstimate |
Estimation of the Personal Parameters from the mpl4 Logistic Model |
m4plEstimateMore |
Estimation of the Personal Parameters from the mpl4 Logistic Model |
m4plModelShow |
Results For Each Subject To Each Model |
m4plMoreSummary |
Summary of the Results of Estimation with the m4pl Models |
m4plNoMoreSummary |
Summary of the Results of Estimation with the m4pl Models |
m4plPersonParameters |
Estimation of the Personal Parameters from the mpl4 Logistic Model |
m4plSummary |
Summary of the Results of Estimation with the m4pl Models |
meanModels |
Functions For Choosing The m4pl Best Model(s) |
modelChoose |
Functions For Choosing The m4pl Best Model(s) |
modelChooseAdd |
Functions For Choosing The m4pl Best Model(s) |
p4pl |
One, Two, Three and Four Parameters Logistic Distributions |
PCC |
Graphic Functions to Illustrate Response Curves and Parameter Estimation |
pggr4pl |
Simulation of Response Patterns and Computation of the Probability of the Patterns |
pggrm4pl |
Simulation of Response Patterns and Computation of the Probability of the Patterns from m4pl |
pm4pl |
Multidimensional One, Two, Three and Four Person Parameters Logistic Distributions |
propCorrect |
Utility Functions |
q4pl |
One, Two, Three and Four Parameters Logistic Distributions |
qm4pl |
Multidimensional One, Two, Three and Four Person Parameters Logistic Distributions |
r4pl |
One, Two, Three and Four Parameters Logistic Distributions |
rm4pl |
Multidimensional One, Two, Three and Four Person Parameters Logistic Distributions |
rmultinomial |
Utility Functions |
Round |
Functions To Manipulate modelShow Class Objects |
Round.modelShow |
Functions To Manipulate modelShow Class Objects |
summary.modelShow |
Functions To Manipulate modelShow Class Objects |