Test Analysis Modules


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Documentation for package ‘TAM’ version 1.5-2

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A C D I L M P R S T misc

TAM-package Test Analysis Modules

-- A --

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.tamaan Likelihood Ratio Test for Model Comparisons and Log-Likelihood Value

-- C --

cfa.extract.itempars Extracting Item Parameters from a Fitted 'cfa' Object

-- 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.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.timssAusTwn Dataset TIMSS 2011 of Australian and Taiwanese Students
data.timssAusTwn.scored Dataset TIMSS 2011 of Australian and Taiwanese Students
designMatrices Generation of Design Matrices
designMatrices.mfr Generation of Design Matrices
designMatrices.mfr2 Generation of Design Matrices
doparse Parsing a String with 'DO' Statements

-- I --

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.expectedCounts.tam Extracting Expected Counts
IRT.expectedCounts.tam.mml Extracting Expected Counts
IRT.expectedCounts.tam.mml.3pl 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.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.tamaan Extracting Item Response Functions
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.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.tamaan Extracting Individual Likelihood and Individual Posterior
IRT.threshold Thurstonian Thresholds and Wright Map for Item Response Models
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

-- 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.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.tamaan Likelihood Ratio Test for Model Comparisons and Log-Likelihood Value

-- M --

msq.itemfit Mean Squared Residual Based Item Fit Statistics (Infit, Outfit)

-- P --

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
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

-- R --

rownames.design Generation of Design Matrices

-- S --

sim.facets Simulated Multifaceted Data
sim.mfr Simulated Multifaceted Data
sim.rasch Simulated Rasch data
sim.rasch.missing Simulated Rasch data
sim.rasch.pweights Simulated Rasch data
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.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.mml Test Analysis Modules: Marginal Maximum Likelihood Estimation
summary.tam.modelfit Model Fit Statistics in 'TAM'

-- T --

TAM Test Analysis Modules
tam Test Analysis Modules: Marginal Maximum Likelihood Estimation
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.jml.WLE Weighted Likelihood Estimation and Maximum Likelihood Estimation of Person Parameters
tam.jml2 Joint Maximum Likelihood Estimation
tam.latreg Latent Regression Model
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.se Standard Error 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.pv Plausible Value Imputation
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

-- misc --

.A.matrix Generation of Design Matrices
.A.PCM2 Generation of Design Matrices
.A.PCM3 Generation of Design Matrices