Extended Rasch Modeling.

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Documentation for package ‘eRm’ version 0.13-4

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eRm-package extended Rasch modeling
coef.eRm Methods for extended Rasch models
coef.ppar Estimation of Person Parameters
confint.eRm Methods for extended Rasch models
confint.ppar Estimation of Person Parameters
confint.threshold Computation of item-category treshold parameters.
eRm extended Rasch modeling
gofIRT Various model tests and fit indices
gofIRT.ppar Various model tests and fit indices
IC Information criteria
IC.ppar Information criteria
itemfit Residuals, Personfit and Itemfit Statistics
itemfit.ppar Residuals, Personfit and Itemfit Statistics
LLTM Estimation of linear logistic test models
lltmdat1 Data for Computing Extended Rasch Models
lltmdat2 Data for Computing Extended Rasch Models
logLik.eRm Methods for extended Rasch models
logLik.ppar Estimation of Person Parameters
LPCM Estimation of linear partial credit models
lpcmdat Data for Computing Extended Rasch Models
LRSM Estimation of linear rating scale models
lrsmdat Data for Computing Extended Rasch Models
LRtest Computation of Andersen's LR-test.
LRtest.Rm Computation of Andersen's LR-test.
MLoef Computation of Martin-Loef's LR-Test
model.matrix.eRm Methods for extended Rasch models
NPtest function to perform nonparametric Rasch model tests
PCM Estimation of partial credit models
pcmdat Data for Computing Extended Rasch Models
pcmdat2 Data for Computing Extended Rasch Models
person.parameter Estimation of Person Parameters
person.parameter.eRm Estimation of Person Parameters
personfit Residuals, Personfit and Itemfit Statistics
personfit.ppar Residuals, Personfit and Itemfit Statistics
plot.ppar Estimation of Person Parameters
plotDIF Confidence intervals plot of item parameter estimates.
plotGOF Computation of Andersen's LR-test.
plotGOF.LR Computation of Andersen's LR-test.
plotICC ICC Plots
plotICC.Rm ICC Plots
plotjointICC ICC Plots
plotjointICC.dRm ICC Plots
plotPImap Person-Item Map
plotPWmap Pathway Map
pmat Residuals, Personfit and Itemfit Statistics
pmat.ppar Residuals, Personfit and Itemfit Statistics
predict.ppar Predict methods
print.eRm Methods for extended Rasch models
print.gof Various model tests and fit indices
print.ifit Residuals, Personfit and Itemfit Statistics
print.logLik.ppar Estimation of Person Parameters
print.LR Computation of Andersen's LR-test.
print.MLoef Computation of Martin-Loef's LR-Test
print.pfit Residuals, Personfit and Itemfit Statistics
print.ppar Estimation of Person Parameters
print.resid Residuals, Personfit and Itemfit Statistics
print.step Stepwise item elimination
print.threshold Computation of item-category treshold parameters.
print.wald Item-Specific Wald Test
raschdat1 Data for Computing Extended Rasch Models
raschdat2 Data for Computing Extended Rasch Models
residuals.ppar Residuals, Personfit and Itemfit Statistics
RM Estimation of Rasch Models
RSM Estimation of rating scale models
rsmdat Data for Computing Extended Rasch Models
sim.2pl Simulation of 2-pl data
sim.locdep Simulation locally dependent items
sim.rasch Simulation of Rasch homogeneous data
sim.xdim Simulation of multidimensional binary data
stepwiseIt Stepwise item elimination
stepwiseIt.eRm Stepwise item elimination
summary.eRm Methods for extended Rasch models
summary.gof Various model tests and fit indices
summary.LR Computation of Andersen's LR-test.
summary.MLoef Computation of Martin-Loef's LR-Test
summary.ppar Estimation of Person Parameters
summary.threshold Computation of item-category treshold parameters.
thresholds Computation of item-category treshold parameters.
thresholds.eRm Computation of item-category treshold parameters.
vcov.eRm Methods for extended Rasch models
Waldtest Item-Specific Wald Test
Waldtest.Rm Item-Specific Wald Test