Test Analysis Modules
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Documentation for package ‘TAM’ version 4.2-21
Help Pages
| TAM-package | Test Analysis Modules |
-- A --
| add.lead | Utility Functions in 'TAM' |
| anova.tam | Likelihood Ratio Test for Model Comparisons and Log-Likelihood Value |
| anova.tam.latreg | Likelihood Ratio Test for Model Comparisons and Log-Likelihood Value |
| anova.tam.mml | Likelihood Ratio Test for Model Comparisons and Log-Likelihood Value |
| anova.tam.mml.3pl | Likelihood Ratio Test for Model Comparisons and Log-Likelihood Value |
| anova.tam.np | Likelihood Ratio Test for Model Comparisons and Log-Likelihood Value |
| anova.tamaan | Likelihood Ratio Test for Model Comparisons and Log-Likelihood Value |
-- C --
| cfa.extract.itempars | Extracting Item Parameters from a Fitted 'cfa' Object in 'lavaan' |
-- D --
| data.cqc01 | More Datasets and Examples (Similar to ConQuest Examples) |
| data.cqc02 | More Datasets and Examples (Similar to ConQuest Examples) |
| data.cqc03 | More Datasets and Examples (Similar to ConQuest Examples) |
| data.cqc04 | More Datasets and Examples (Similar to ConQuest Examples) |
| data.cqc05 | More Datasets and Examples (Similar to ConQuest Examples) |
| data.ctest | Some C-Test Datasets |
| data.ctest1 | Some C-Test Datasets |
| data.ctest2 | Some C-Test Datasets |
| data.ex08 | Datasets 'data.ex' in 'TAM' Package |
| data.ex10 | Datasets 'data.ex' in 'TAM' Package |
| data.ex11 | Datasets 'data.ex' in 'TAM' Package |
| data.ex12 | Datasets 'data.ex' in 'TAM' Package |
| data.ex14 | Datasets 'data.ex' in 'TAM' Package |
| data.ex15 | Datasets 'data.ex' in 'TAM' Package |
| data.ex16 | Datasets 'data.ex' in 'TAM' Package |
| data.ex17 | Datasets 'data.ex' in 'TAM' Package |
| data.exJ03 | Datasets 'data.ex' in 'TAM' Package |
| data.fims.Aus.Jpn.raw | Dataset FIMS Study with Responses of Australian and Japanese Students |
| data.fims.Aus.Jpn.scored | Dataset FIMS Study with Responses of Australian and Japanese Students |
| data.geiser | Dataset from Geiser et al. (2006) |
| data.gpcm | Dataset with Ordered Indicators |
| data.janssen | Dataset from Janssen and Geiser (2010) |
| data.janssen2 | Dataset from Janssen and Geiser (2010) |
| data.mc | Dataset with Raw and Scored Responses from Multiple Choice Items |
| data.numeracy | Dataset Numeracy |
| data.sim.facets | Simulated Multifaceted Data |
| data.sim.mfr | Simulated Multifaceted Data |
| data.sim.rasch | Simulated Rasch data |
| data.sim.rasch.missing | Simulated Rasch data |
| data.sim.rasch.pweights | Simulated Rasch data |
| data.timssAusTwn | Dataset TIMSS 2011 of Australian and Taiwanese Students |
| data.timssAusTwn.scored | Dataset TIMSS 2011 of Australian and Taiwanese Students |
| DescribeBy | S3 Method for Descriptive Statistics of Objects |
| designMatrices | Generation of Design Matrices |
| designMatrices.mfr | Generation of Design Matrices |
| designMatrices.mfr2 | Generation of Design Matrices |
| doparse | Parsing a String with 'DO' Statements |
-- E --
| EAPrel | Reliability Estimation in 'TAM' |
-- I --
| IRT.cv | Cross-Validation of a Fitted IRT Model |
| IRT.cv.tam.np | Unidimensional Non- and Semiparametric Item Response Model |
| IRT.data.tam.mml | Extracting Item Response Dataset |
| IRT.data.tam.mml.3pl | Extracting Item Response Dataset |
| IRT.data.tamaan | Extracting Item Response Dataset |
| IRT.drawPV | Function for Drawing Plausible Values |
| IRT.expectedCounts.tam | Extracting Expected Counts |
| IRT.expectedCounts.tam.mml | Extracting Expected Counts |
| IRT.expectedCounts.tam.mml.3pl | Extracting Expected Counts |
| IRT.expectedCounts.tam.np | Extracting Expected Counts |
| IRT.expectedCounts.tamaan | Extracting Expected Counts |
| IRT.factor.scores.tam | Extracting Factor Scores in 'TAM' |
| IRT.factor.scores.tam.mml | Extracting Factor Scores in 'TAM' |
| IRT.factor.scores.tam.mml.3pl | Extracting Factor Scores in 'TAM' |
| IRT.factor.scores.tamaan | Extracting Factor Scores in 'TAM' |
| IRT.frequencies.tam.mml | Observed and Expected Frequencies for Univariate and Bivariate Distributions |
| IRT.frequencies.tam.mml.3pl | Observed and Expected Frequencies for Univariate and Bivariate Distributions |
| IRT.frequencies.tamaan | Observed and Expected Frequencies for Univariate and Bivariate Distributions |
| IRT.informationCurves | Item and Test Information Curve |
| IRT.informationCurves.tam.mml | Item and Test Information Curve |
| IRT.informationCurves.tam.mml.2pl | Item and Test Information Curve |
| IRT.informationCurves.tam.mml.3pl | Item and Test Information Curve |
| IRT.informationCurves.tam.mml.mfr | Item and Test Information Curve |
| IRT.irfprob.tam | Extracting Item Response Functions |
| IRT.irfprob.tam.mml | Extracting Item Response Functions |
| IRT.irfprob.tam.mml.3pl | Extracting Item Response Functions |
| IRT.irfprob.tam.np | Extracting Item Response Functions |
| IRT.irfprob.tamaan | Extracting Item Response Functions |
| IRT.itemfit.tam.mml | RMSD Item Fit Statistics for 'TAM' Objects |
| IRT.itemfit.tam.mml.2pl | RMSD Item Fit Statistics for 'TAM' Objects |
| IRT.itemfit.tam.mml.3pl | RMSD Item Fit Statistics for 'TAM' Objects |
| IRT.itemfit.tam.mml.mfr | RMSD Item Fit Statistics for 'TAM' Objects |
| IRT.likelihood.tam | Extracting Individual Likelihood and Individual Posterior |
| IRT.likelihood.tam.latreg | Extracting Individual Likelihood and Individual Posterior |
| IRT.likelihood.tam.mml | Extracting Individual Likelihood and Individual Posterior |
| IRT.likelihood.tam.mml.3pl | Extracting Individual Likelihood and Individual Posterior |
| IRT.likelihood.tam.np | Extracting Individual Likelihood and Individual Posterior |
| IRT.likelihood.tamaan | Extracting Individual Likelihood and Individual Posterior |
| IRT.linearCFA | Linear Approximation of a Confirmatory Factor Analysis |
| IRT.modelfit.tam.mml | Model Fit Statistics in 'TAM' |
| IRT.modelfit.tam.mml.3pl | Model Fit Statistics in 'TAM' |
| IRT.modelfit.tamaan | Model Fit Statistics in 'TAM' |
| IRT.posterior.tam | Extracting Individual Likelihood and Individual Posterior |
| IRT.posterior.tam.latreg | Extracting Individual Likelihood and Individual Posterior |
| IRT.posterior.tam.mml | Extracting Individual Likelihood and Individual Posterior |
| IRT.posterior.tam.mml.3pl | Extracting Individual Likelihood and Individual Posterior |
| IRT.posterior.tam.np | Extracting Individual Likelihood and Individual Posterior |
| IRT.posterior.tamaan | Extracting Individual Likelihood and Individual Posterior |
| IRT.residuals | Residuals in an IRT Model |
| IRT.residuals.tam.jml | Residuals in an IRT Model |
| IRT.residuals.tam.mml | Residuals in an IRT Model |
| IRT.residuals.tam.mml.2pl | Residuals in an IRT Model |
| IRT.residuals.tam.mml.mfr | Residuals in an IRT Model |
| IRT.RISE | Utility Functions in 'TAM' |
| IRT.simulate | Simulating Item Response Models |
| IRT.simulate.tam.mml | Simulating Item Response Models |
| IRT.simulate.tam.mml.2pl | Simulating Item Response Models |
| IRT.simulate.tam.mml.3pl | Simulating Item Response Models |
| IRT.simulate.tam.mml.mfr | Simulating Item Response Models |
| IRT.threshold | Thurstonian Thresholds and Wright Map for Item Response Models |
| IRT.truescore | Converts a theta Score into a True Score tau ( theta) |
| IRT.WrightMap | Thurstonian Thresholds and Wright Map for Item Response Models |
| IRT.WrightMap.IRT.threshold | Thurstonian Thresholds and Wright Map for Item Response Models |
| IRT.WrightMap.tam.mml | Wright Map for Item Response Models by Using the 'WrightMap' Package |
| IRT.WrightMap.tamaan | Wright Map for Item Response Models by Using the 'WrightMap' Package |
| IRTLikelihood.cfa | Individual Likelihood for Confirmatory Factor Analysis |
| IRTLikelihood.ctt | Computes Individual Likelihood from Classical Test Theory Estimates |
-- L --
| lavaanify.IRT | Slight Extension of the 'lavaan' Syntax, with Focus on Item Response Models |
| logLik.tam | Likelihood Ratio Test for Model Comparisons and Log-Likelihood Value |
| logLik.tam.jml | Joint Maximum Likelihood Estimation |
| logLik.tam.latreg | Likelihood Ratio Test for Model Comparisons and Log-Likelihood Value |
| logLik.tam.mml | Likelihood Ratio Test for Model Comparisons and Log-Likelihood Value |
| logLik.tam.mml.3pl | Likelihood Ratio Test for Model Comparisons and Log-Likelihood Value |
| logLik.tam.np | Likelihood Ratio Test for Model Comparisons and Log-Likelihood Value |
| logLik.tamaan | Likelihood Ratio Test for Model Comparisons and Log-Likelihood Value |
-- M --
| msq.itemfit | Mean Squared Residual Based Item Fit Statistics (Infit, Outfit) |
| msq.itemfitWLE | Mean Squared Residual Based Item Fit Statistics (Infit, Outfit) |
-- P --
| plot.IRT.informationCurves | Item and Test Information Curve |
| plot.tam | Plot Function for Unidimensional Item Response Models |
| plot.tam.jml | Plot Function for Unidimensional Item Response Models |
| plot.tam.mml | Plot Function for Unidimensional Item Response Models |
| plot.tam.pv.mcmc | Plausible Value Imputation |
| plotctt | Classical Test Theory Based Statistics and Plots |
| plotDevianceTAM | Deviance Plot for 'TAM' Objects |
| predict.tam.mml | Expected Values and Predicted Probabilities for Fitted 'TAM' Models |
| predict.tam.mml.3pl | Expected Values and Predicted Probabilities for Fitted 'TAM' Models |
| predict.tamaan | Expected Values and Predicted Probabilities for Fitted 'TAM' Models |
| print.designMatrices | Generation of Design Matrices |
| print.IRT.threshold | Thurstonian Thresholds and Wright Map for Item Response Models |
| print.tam | Test Analysis Modules: Marginal Maximum Likelihood Estimation |
| print.tam.latreg | Latent Regression Model |
| print.tam.linking | Linking of Fitted Unidimensional Item Response Models in 'TAM' |
| print.tam.mml | Test Analysis Modules: Marginal Maximum Likelihood Estimation |
| print.tam.mml.3pl | 3PL Structured Item Response Model in 'TAM' |
| print.tam.wle | Weighted Likelihood Estimation and Maximum Likelihood Estimation of Person Parameters |
| print.tamaan | Wrapper Function for 'TAM' Language |
| print.tam_linking_2studies | Linking of Fitted Unidimensional Item Response Models in 'TAM' |
| prior_list_include | Test Analysis Modules: Marginal Maximum Likelihood Estimation |
-- R --
| require_namespace_msg | Utility Functions in 'TAM' |
| residuals.tam.jml | Residuals in an IRT Model |
| residuals.tam.mml | Residuals in an IRT Model |
| residuals.tam.mml.2pl | Residuals in an IRT Model |
| residuals.tam.mml.mfr | Residuals in an IRT Model |
| rownames.design | Generation of Design Matrices |
-- S --
| Scale | S3 Method for Standardizations and Transformations of Variables |
| summary.IRT.linearCFA | Linear Approximation of a Confirmatory Factor Analysis |
| summary.IRT.modelfit.tam.mml | Model Fit Statistics in 'TAM' |
| summary.IRT.modelfit.tam.mml.3pl | Model Fit Statistics in 'TAM' |
| summary.IRT.modelfit.tamaan | Model Fit Statistics in 'TAM' |
| summary.msq.itemfit | Mean Squared Residual Based Item Fit Statistics (Infit, Outfit) |
| summary.msq.itemfitWLE | Mean Squared Residual Based Item Fit Statistics (Infit, Outfit) |
| summary.tam | Test Analysis Modules: Marginal Maximum Likelihood Estimation |
| summary.tam.fit | Item Infit and Outfit Statistic |
| summary.tam.jml | Joint Maximum Likelihood Estimation |
| summary.tam.latreg | Latent Regression Model |
| summary.tam.linking | Linking of Fitted Unidimensional Item Response Models in 'TAM' |
| summary.tam.mml | Test Analysis Modules: Marginal Maximum Likelihood Estimation |
| summary.tam.mml.3pl | 3PL Structured Item Response Model in 'TAM' |
| summary.tam.modelfit | Model Fit Statistics in 'TAM' |
| summary.tam.np | Unidimensional Non- and Semiparametric Item Response Model |
| summary.tam.pv.mcmc | Plausible Value Imputation |
| summary.tam.Q3 | Model Fit Statistics in 'TAM' |
| summary.tam.wle | Weighted Likelihood Estimation and Maximum Likelihood Estimation of Person Parameters |
| summary.tamaan | Wrapper Function for 'TAM' Language |
| summary.tam_linking_2studies | Linking of Fitted Unidimensional Item Response Models in 'TAM' |
-- T --
| TAM | Test Analysis Modules |
| tam | Test Analysis Modules: Marginal Maximum Likelihood Estimation |
| TAM-defunct | Defunct 'TAM' Functions |
| TAM-utilities | Utility Functions in 'TAM' |
| tam.cb | Classical Test Theory Based Statistics and Plots |
| tam.ctt | Classical Test Theory Based Statistics and Plots |
| tam.ctt2 | Classical Test Theory Based Statistics and Plots |
| tam.ctt3 | Classical Test Theory Based Statistics and Plots |
| tam.fa | Bifactor Model and Exploratory Factor Analysis |
| tam.fit | Item Infit and Outfit Statistic |
| tam.jml | Joint Maximum Likelihood Estimation |
| tam.jml.fit | Item Infit and Outfit Statistic |
| tam.jml2 | Defunct 'TAM' Functions |
| tam.latreg | Latent Regression Model |
| tam.linking | Linking of Fitted Unidimensional Item Response Models in 'TAM' |
| tam.mml | Test Analysis Modules: Marginal Maximum Likelihood Estimation |
| tam.mml.2pl | Test Analysis Modules: Marginal Maximum Likelihood Estimation |
| tam.mml.3pl | 3PL Structured Item Response Model in 'TAM' |
| tam.mml.fit | Item Infit and Outfit Statistic |
| tam.mml.mfr | Test Analysis Modules: Marginal Maximum Likelihood Estimation |
| tam.mml.wle | Weighted Likelihood Estimation and Maximum Likelihood Estimation of Person Parameters |
| tam.mml.wle2 | Weighted Likelihood Estimation and Maximum Likelihood Estimation of Person Parameters |
| tam.modelfit | Model Fit Statistics in 'TAM' |
| tam.modelfit.args | Model Fit Statistics in 'TAM' |
| tam.modelfit.IRT | Model Fit Statistics in 'TAM' |
| tam.np | Unidimensional Non- and Semiparametric Item Response Model |
| tam.personfit | Person Outfit and Infit Statistics |
| tam.pv | Plausible Value Imputation |
| tam.pv.mcmc | Plausible Value Imputation |
| tam.Q3 | Model Fit Statistics in 'TAM' |
| tam.se | Standard Error Estimation |
| tam.threshold | Calculation of Thurstonian Thresholds |
| tam.wle | Weighted Likelihood Estimation and Maximum Likelihood Estimation of Person Parameters |
| tamaan | Wrapper Function for 'TAM' Language |
| tamaanify | Function for Parsing 'TAM' Input |
| tampv2datalist | Conversion of Plausible Value Object into Datalist |
| tam_01_pattern | Missing Data Patterns |
| tam_aggregate | Utility Functions in 'TAM' |
| tam_args_CALL_search | Utility Functions in 'TAM' |
| tam_assign_list_elements | Utility Functions in 'TAM' |
| tam_AXsi_compute | Utility Functions in 'TAM' |
| tam_AXsi_fit | Utility Functions in 'TAM' |
| tam_bayesian_bootstrap | Utility Functions in 'TAM' |
| tam_cor_wt | Utility Functions in 'TAM' |
| tam_cov_wt | Utility Functions in 'TAM' |
| tam_csink | Utility Functions in 'TAM' |
| tam_difference_quotient | Utility Functions in 'TAM' |
| tam_dmvnorm | Utility Functions in 'TAM' |
| tam_downcode | Downcoding an Item Response Dataset |
| tam_ginv | Utility Functions in 'TAM' |
| tam_ginv_scaled | Utility Functions in 'TAM' |
| tam_interval_index | Utility Functions in 'TAM' |
| tam_irf_3pl | Item Response Function for the 3PL Model |
| tam_jml_wle | Weighted Likelihood Estimation and Maximum Likelihood Estimation of Person Parameters |
| tam_latreg_se_quick | Standard Error Estimation |
| tam_linking_2studies | Linking of Fitted Unidimensional Item Response Models in 'TAM' |
| tam_matrix2 | Utility Functions in 'TAM' |
| tam_max_abs | Utility Functions in 'TAM' |
| tam_max_abs_list | Utility Functions in 'TAM' |
| tam_mml_se_quick | Standard Error Estimation |
| tam_model_implied_means | Utility Functions in 'TAM' |
| tam_NA_pattern | Missing Data Patterns |
| tam_normalize_matrix_rows | Utility Functions in 'TAM' |
| tam_normalize_vector | Utility Functions in 'TAM' |
| tam_osink | Utility Functions in 'TAM' |
| tam_outer | Utility Functions in 'TAM' |
| tam_packageinfo | Utility Functions in 'TAM' |
| tam_print_call | Utility Functions in 'TAM' |
| tam_remove_missings | Utility Functions in 'TAM' |
| tam_round_data_frame | Utility Functions in 'TAM' |
| tam_round_data_frame_print | Utility Functions in 'TAM' |
| tam_rowCumsums | Utility Functions in 'TAM' |
| tam_rsessinfo | Utility Functions in 'TAM' |
| tam_trim_increment | Utility Functions in 'TAM' |
-- W --
| weighted_kurtosis | Descriptive Statistics for Weighted Data |
| weighted_mean | Descriptive Statistics for Weighted Data |
| weighted_quantile | Descriptive Statistics for Weighted Data |
| weighted_sd | Descriptive Statistics for Weighted Data |
| weighted_skewness | Descriptive Statistics for Weighted Data |
| weighted_Stats | Descriptive Statistics for Weighted Data |
| weighted_table | Descriptive Statistics for Weighted Data |
| weighted_var | Descriptive Statistics for Weighted Data |
| WLErel | Reliability Estimation in 'TAM' |
-- misc --
| .A.matrix | Generation of Design Matrices |
| .A.PCM2 | Generation of Design Matrices |
| .A.PCM3 | Generation of Design Matrices |