Extended Rasch Modeling
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Documentation for package ‘eRm’ version 1.0-6
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A B C E G I L M N P R S T V W X
-- A --
| anova.eRm | Analysis of Deviances for Rasch Models |
| anova.llra | Analysis of Deviance for Linear Logistic Models with Relaxed Assumptions |
-- B --
| build_catdes | Automatized Construction of LLRA Design Matrix |
| build_effdes | Automatized Construction of LLRA Design Matrix |
| build_trdes | Automatized Construction of LLRA Design Matrix |
| build_W | Automatized Construction of LLRA Design Matrix |
-- C --
| coef.eRm | Methods for extended Rasch models |
| coef.ppar | Estimation of Person Parameters |
| collapse_W | Convenient Collapsing of LLRA Design Matrix |
| confint.eRm | Methods for extended Rasch models |
| confint.ppar | Estimation of Person Parameters |
| confint.threshold | Computation of item-category treshold parameters. |
-- E --
| eRm.data | Data for Computing Extended Rasch Models |
-- G --
| get_item_cats | Automatized Construction of LLRA Design Matrix |
| gofIRT | Various model tests and fit indices |
| gofIRT.ppar | Various model tests and fit indices |
-- I --
| IC | Information criteria |
| IC.ppar | Information criteria |
| itemfit | Residuals, Personfit and Itemfit Statistics |
| itemfit.ppar | Residuals, Personfit and Itemfit Statistics |
| item_info | Calculate Item Information for 'eRm' objects |
| i_info | Calculate Item Information for 'eRm' objects |
-- L --
| LLRA | Fit Linear Logistic Models with Relaxed Assumptions (LLRA) |
| llra.datprep | Prepare Data Set for LLRA Analysis |
| llraDat1 | An Artificial LLRA Data Set |
| llraDat2 | An Artificial LLRA Data Set |
| llradat3 | An Artificial LLRA Data Set |
| 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. |
-- M --
| MLoef | Martin-Löf's Likelihood-Ratio-Test |
| model.matrix.eRm | Methods for extended Rasch models |
-- N --
| NonparametricTests | A Function to Perform Nonparametric Rasch Model Tests |
| NPtest | A Function to Perform Nonparametric Rasch Model Tests |
-- P --
| 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 |
| PersonMisfit | Person Misfit |
| PersonMisfit.ppar | Person Misfit |
| phi.range | Example User Function |
| 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. |
| plotGR | Plot Treatment or Covariate Effects for LLRA |
| plotICC | ICC Plots |
| plotICC.Rm | ICC Plots |
| plotINFO | Plot Information For "eRm" objects |
| plotjointICC | ICC Plots |
| plotjointICC.dRm | ICC Plots |
| plotPImap | Person-Item Map |
| plotPWmap | Pathway Map |
| plotTR | Plot Trend Effects for LLRA |
| 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.eRm_anova | Analysis of Deviances for Rasch Models |
| print.eRm_SepRel | Person Separation Reliability |
| print.gof | Various model tests and fit indices |
| print.ifit | Residuals, Personfit and Itemfit Statistics |
| print.llra | Fit Linear Logistic Models with Relaxed Assumptions (LLRA) |
| print.logLik.ppar | Estimation of Person Parameters |
| print.LR | Computation of Andersen's LR-test. |
| print.MLoef | Martin-Löf's Likelihood-Ratio-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.summary.llra | Summarizing Linear Logistic Models with Relaxed Assumptions (LLRA) |
| print.threshold | Computation of item-category treshold parameters. |
| print.wald | Item-Specific Wald Test |
-- R --
| raschdat1 | Data for Computing Extended Rasch Models |
| raschdat1_RM_fitted | Data for Computing Extended Rasch Models |
| raschdat1_RM_lrres2 | Data for Computing Extended Rasch Models |
| raschdat1_RM_plotDIF | Data for Computing Extended Rasch Models |
| raschdat2 | Data for Computing Extended Rasch Models |
| raschdat3 | Data for Computing Extended Rasch Models |
| raschdat4 | Data for Computing Extended Rasch Models |
| RaschSampler | Rasch Sampler Package |
| residuals.ppar | Residuals, Personfit and Itemfit Statistics |
| RM | Estimation of Rasch Models |
| rsampler | Sampling Binary Matrices |
| RSctr | Control Object |
| rsctrl | Controls for the Sampling Function |
| rsextrmat | Extracting a Matrix |
| rsextrobj | Extracting Encoded Sample Matrices |
| RSM | Estimation of rating scale models |
| rsmdat | Data for Computing Extended Rasch Models |
| RSmpl | Sample Objects |
| RSmplext | Sample Objects |
| rstats | Calculating Statistics for the Sampled Matrices |
-- S --
| SepRel | Person Separation Reliability |
| 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.eRm_SepRel | Person Separation Reliability |
| summary.gof | Various model tests and fit indices |
| summary.llra | Summarizing Linear Logistic Models with Relaxed Assumptions (LLRA) |
| summary.LR | Computation of Andersen's LR-test. |
| summary.MLoef | Martin-Löf's Likelihood-Ratio-Test |
| summary.ppar | Estimation of Person Parameters |
| summary.RSctr | Summary Method for Control Objects |
| summary.RSmpl | Summary Methods for Sample Objects |
| summary.RSmplext | Summary Methods for Sample Objects |
| summary.threshold | Computation of item-category treshold parameters. |
-- T --
| test_info | Calculate Test Information For 'eRm' objects |
| thresholds | Computation of item-category treshold parameters. |
| thresholds.eRm | Computation of item-category treshold parameters. |
-- V --
| vcov.eRm | Methods for extended Rasch models |
-- W --
| Waldtest | Item-Specific Wald Test |
| Waldtest.Rm | Item-Specific Wald Test |
-- X --
| xmpl | Example Data |
| xmplbig | Example Data |