Psychometric Modeling Infrastructure


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Documentation for package ‘psychotools’ version 0.7-2

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A B C D E F G I L M N P R S T U V W X Y misc

-- A --

anchor Anchor Methods for the Detection of Uniform DIF the Rasch Model
anchor.default Anchor Methods for the Detection of Uniform DIF the Rasch Model
anchor.formula Anchor Methods for the Detection of Uniform DIF the Rasch Model
anchortest Anchor methods for the detection of uniform DIF in the Rasch model
anchortest.default Anchor methods for the detection of uniform DIF in the Rasch model
anchortest.formula Anchor methods for the detection of uniform DIF in the Rasch model
as.character.itemresp Coercing Item Response Data
as.character.paircomp Data Structure for Paired Comparisons
as.data.frame.itemresp Coercing Item Response Data
as.data.frame.paircomp Data Structure for Paired Comparisons
as.double.itemresp Coercing Item Response Data
as.double.paircomp Data Structure for Paired Comparisons
as.integer.itemresp Coercing Item Response Data
as.integer.paircomp Data Structure for Paired Comparisons
as.list.itemresp Coercing Item Response Data
as.matrix.itemresp Coercing Item Response Data
as.matrix.paircomp Data Structure for Paired Comparisons

-- B --

bread.gpcmodel Generalized Partial Credit Model Fitting Function
bread.nplmodel Parametric Logistic Model (n-PL) Fitting Function
bread.pcmodel Partial Credit Model Fitting Function
bread.raschmodel Rasch Model Fitting Function
bread.rsmodel Rating Scale Model Fitting Function
btmodel Bradley-Terry Model Fitting Function
btReg.fit Bradley-Terry Model Fitting Function

-- C --

c.itemresp Subsetting Item Response Data
c.paircomp Data Structure for Paired Comparisons
coef.btmodel Bradley-Terry Model Fitting Function
coef.discrpar Extract Discrimination Parameters of Item Response Models
coef.gpcmodel Generalized Partial Credit Model Fitting Function
coef.guesspar Extract Guessing Parameters of Item Response Models
coef.itempar Extract Item Parameters of Item Response Models
coef.mptmodel Multinomial Processing Tree (MPT) Model Fitting Function
coef.nplmodel Parametric Logistic Model (n-PL) Fitting Function
coef.pcmodel Partial Credit Model Fitting Function
coef.personpar Extract Person Parameters of Item Response Models
coef.raschmodel Rasch Model Fitting Function
coef.rsmodel Rating Scale Model Fitting Function
coef.threshpar Extract Threshold Parameters of Item Response Models
coef.upperpar Extract Upper Asymptote Parameters of Item Response Models
confint.mptmodel Multinomial Processing Tree (MPT) Model Fitting Function
confint.nplmodel Parametric Logistic Model (n-PL) Fitting Function
ConspiracistBeliefs2016 Generic Conspiracist Beliefs Scale (2016 Data)
covariates Extract/Set Covariates
covariates.paircomp Data Structure for Paired Comparisons
covariates<- Extract/Set Covariates
covariates<-.paircomp Data Structure for Paired Comparisons
curveplot Response Curve Plots for IRT Models

-- D --

deviance.btmodel Bradley-Terry Model Fitting Function
deviance.mptmodel Multinomial Processing Tree (MPT) Model Fitting Function
discrpar Extract Discrimination Parameters of Item Response Models
discrpar.gpcmodel Extract Discrimination Parameters of Item Response Models
discrpar.nplmodel Extract Discrimination Parameters of Item Response Models
discrpar.pcmodel Extract Discrimination Parameters of Item Response Models
discrpar.raschmodel Extract Discrimination Parameters of Item Response Models
discrpar.rsmodel Extract Discrimination Parameters of Item Response Models

-- E --

elementary_symmetric_functions Calculation of the Elementary Symmetric Functions and Their Derivatives
estfun.btmodel Bradley-Terry Model Fitting Function
estfun.gpcmodel Generalized Partial Credit Model Fitting Function
estfun.mptmodel Multinomial Processing Tree (MPT) Model Fitting Function
estfun.nplmodel Parametric Logistic Model (n-PL) Fitting Function
estfun.pcmodel Partial Credit Model Fitting Function
estfun.raschmodel Rasch Model Fitting Function
estfun.rsmodel Rating Scale Model Fitting Function

-- F --

FirstNames Popularity of First Names
format.itemresp Formatting Item Response Data
format.paircomp Formatting Paired Comparison Data

-- G --

GermanParties2009 Choice among German Political Parties
gpcmodel Generalized Partial Credit Model Fitting Function
guesspar Extract Guessing Parameters of Item Response Models
guesspar.gpcmodel Extract Guessing Parameters of Item Response Models
guesspar.nplmodel Extract Guessing Parameters of Item Response Models
guesspar.pcmodel Extract Guessing Parameters of Item Response Models
guesspar.raschmodel Extract Guessing Parameters of Item Response Models
guesspar.rsmodel Extract Guessing Parameters of Item Response Models

-- I --

infoplot Information Plots for IRT Models
is.itemresp Coercing Item Response Data
is.na.itemresp Data Structure for Item Response Data
is.na.paircomp Data Structure for Paired Comparisons
itempar Extract Item Parameters of Item Response Models
itempar.btmodel Extract Item Parameters of Item Response Models
itempar.bttree Extract Item Parameters of Item Response Models
itempar.gpcmodel Extract Item Parameters of Item Response Models
itempar.nplmodel Extract Item Parameters of Item Response Models
itempar.pcmodel Extract Item Parameters of Item Response Models
itempar.raschmodel Extract Item Parameters of Item Response Models
itempar.raschtree Extract Item Parameters of Item Response Models
itempar.rsmodel Extract Item Parameters of Item Response Models
itemresp Data Structure for Item Response Data

-- L --

labels.itemresp Data Structure for Item Response Data
labels.paircomp Data Structure for Paired Comparisons
labels<- Set Labels
labels<-.itemresp Data Structure for Item Response Data
labels<-.paircomp Data Structure for Paired Comparisons
length.itemresp Data Structure for Item Response Data
length.paircomp Data Structure for Paired Comparisons
levels.itemresp Data Structure for Item Response Data
logLik.btmodel Bradley-Terry Model Fitting Function
logLik.gpcmodel Generalized Partial Credit Model Fitting Function
logLik.mptmodel Multinomial Processing Tree (MPT) Model Fitting Function
logLik.nplmodel Parametric Logistic Model (n-PL) Fitting Function
logLik.pcmodel Partial Credit Model Fitting Function
logLik.raschmodel Rasch Model Fitting Function
logLik.rsmodel Rating Scale Model Fitting Function

-- M --

MathExam14W Mathematics 101 Exam Results
MemoryDeficits Memory Deficits in Psychiatric Patients
merge.itemresp Subsetting Item Response Data
mptmodel Multinomial Processing Tree (MPT) Model Fitting Function
mptspec Multinomial Processing Tree (MPT) Model Fitting Function
mscale Extract/Replace Measurement Scale
mscale.itemresp Data Structure for Item Response Data
mscale.paircomp Data Structure for Paired Comparisons
mscale<- Extract/Replace Measurement Scale
mscale<-.itemresp Data Structure for Item Response Data
mscale<-.paircomp Data Structure for Paired Comparisons

-- N --

names.itemresp Data Structure for Item Response Data
names.paircomp Data Structure for Paired Comparisons
names<-.itemresp Data Structure for Item Response Data
names<-.paircomp Data Structure for Paired Comparisons
nplmodel Parametric Logistic Model (n-PL) Fitting Function

-- P --

PairClustering Pair Clustering Data in Klauer (2006)
paircomp Data Structure for Paired Comparisons
pcmodel Partial Credit Model Fitting Function
PCModel.fit Partial Credit Model Fitting Function
personpar Extract Person Parameters of Item Response Models
personpar.gpcmodel Extract Person Parameters of Item Response Models
personpar.nplmodel Extract Person Parameters of Item Response Models
personpar.pcmodel Extract Person Parameters of Item Response Models
personpar.raschmodel Extract Person Parameters of Item Response Models
personpar.rsmodel Extract Person Parameters of Item Response Models
piplot Person-Item Plots for IRT Models
plmodel Parametric Logistic Model (n-PL) Fitting Function
plot.btmodel Visualizing Bradley-Terry Models
plot.gpcmodel Visualizing IRT Models
plot.itemresp Summarizing and Visualizing Item Response Data
plot.nplmodel Visualizing IRT Models
plot.paircomp Plotting Paired Comparison Data
plot.pcmodel Visualizing IRT Models
plot.raschmodel Visualizing IRT Models
plot.rsmodel Visualizing IRT Models
predict.gpcmodel Predict Methods for Item Response Models
predict.mptmodel Multinomial Processing Tree (MPT) Model Fitting Function
predict.nplmodel Predict Methods for Item Response Models
predict.pcmodel Predict Methods for Item Response Models
predict.raschmodel Predict Methods for Item Response Models
predict.rsmodel Predict Methods for Item Response Models
print.anchor Anchor Methods for the Detection of Uniform DIF the Rasch Model
print.anchortest Anchor methods for the detection of uniform DIF in the Rasch model
print.btmodel Bradley-Terry Model Fitting Function
print.discrpar Extract Discrimination Parameters of Item Response Models
print.gpcmodel Generalized Partial Credit Model Fitting Function
print.guesspar Extract Guessing Parameters of Item Response Models
print.itempar Extract Item Parameters of Item Response Models
print.itemresp Formatting Item Response Data
print.mptmodel Multinomial Processing Tree (MPT) Model Fitting Function
print.mptspec Multinomial Processing Tree (MPT) Model Fitting Function
print.nplmodel Parametric Logistic Model (n-PL) Fitting Function
print.paircomp Formatting Paired Comparison Data
print.pcmodel Partial Credit Model Fitting Function
print.personpar Extract Person Parameters of Item Response Models
print.raschmodel Rasch Model Fitting Function
print.rsmodel Rating Scale Model Fitting Function
print.summary.anchor Anchor Methods for the Detection of Uniform DIF the Rasch Model
print.summary.anchortest Anchor methods for the detection of uniform DIF in the Rasch model
print.summary.btmodel Bradley-Terry Model Fitting Function
print.summary.gpcmodel Generalized Partial Credit Model Fitting Function
print.summary.mptmodel Multinomial Processing Tree (MPT) Model Fitting Function
print.summary.nplmodel Parametric Logistic Model (n-PL) Fitting Function
print.summary.pcmodel Partial Credit Model Fitting Function
print.summary.raschmodel Rasch Model Fitting Function
print.summary.rsmodel Rating Scale Model Fitting Function
print.threshpar Extract Threshold Parameters of Item Response Models
print.upperpar Extract Upper Asymptote Parameters of Item Response Models
profileplot Profile Plots for IRT Models

-- R --

raschmodel Rasch Model Fitting Function
RaschModel.fit Rasch Model Fitting Function
regionplot Region Plots for IRT Models
reorder.paircomp Subsetting/Reordering Paired Comparison Data
rep.itemresp Data Structure for Item Response Data
rep.paircomp Data Structure for Paired Comparisons
rgpcm Simulate Data under a Generalized Partial Credit Model
rpcm Simulate Data under a Partial Credit Model
rpl Simulate Data under a Parametric Logistic IRT Model
rrm Simulate Data under a Rasch model
rrsm Simulate Data under a Rating Scale Model
rsmodel Rating Scale Model Fitting Function
RSModel.fit Rating Scale Model Fitting Function

-- S --

Sim3PL Simulated Data for fitting a 3PL and 3PLu
SoundQuality Quality of Multichannel Reproduced Sound
SourceMonitoring Performance in a Source-Monitoring Experiment
StereotypeThreat Stereotype Threat in Dutch Differential Aptitude Test
str.itemresp Data Structure for Item Response Data
str.paircomp Data Structure for Paired Comparisons
subset.itemresp Subsetting Item Response Data
subset.paircomp Subsetting/Reordering Paired Comparison Data
summary.anchor Anchor Methods for the Detection of Uniform DIF the Rasch Model
summary.anchortest Anchor methods for the detection of uniform DIF in the Rasch model
summary.btmodel Bradley-Terry Model Fitting Function
summary.gpcmodel Generalized Partial Credit Model Fitting Function
summary.itemresp Summarizing and Visualizing Item Response Data
summary.mptmodel Multinomial Processing Tree (MPT) Model Fitting Function
summary.nplmodel Parametric Logistic Model (n-PL) Fitting Function
summary.paircomp Data Structure for Paired Comparisons
summary.pcmodel Partial Credit Model Fitting Function
summary.raschmodel Rasch Model Fitting Function
summary.rsmodel Rating Scale Model Fitting Function

-- T --

threshpar Extract Threshold Parameters of Item Response Models
threshpar.gpcmodel Extract Threshold Parameters of Item Response Models
threshpar.nplmodel Extract Threshold Parameters of Item Response Models
threshpar.pcmodel Extract Threshold Parameters of Item Response Models
threshpar.raschmodel Extract Threshold Parameters of Item Response Models
threshpar.rsmodel Extract Threshold Parameters of Item Response Models

-- U --

update.mptspec Multinomial Processing Tree (MPT) Model Fitting Function
upperpar Extract Upper Asymptote Parameters of Item Response Models
upperpar.gpcmodel Extract Upper Asymptote Parameters of Item Response Models
upperpar.nplmodel Extract Upper Asymptote Parameters of Item Response Models
upperpar.pcmodel Extract Upper Asymptote Parameters of Item Response Models
upperpar.raschmodel Extract Upper Asymptote Parameters of Item Response Models
upperpar.rsmodel Extract Upper Asymptote Parameters of Item Response Models

-- V --

vcov.btmodel Bradley-Terry Model Fitting Function
vcov.discrpar Extract Discrimination Parameters of Item Response Models
vcov.gpcmodel Generalized Partial Credit Model Fitting Function
vcov.guesspar Extract Guessing Parameters of Item Response Models
vcov.itempar Extract Item Parameters of Item Response Models
vcov.mptmodel Multinomial Processing Tree (MPT) Model Fitting Function
vcov.nplmodel Parametric Logistic Model (n-PL) Fitting Function
vcov.pcmodel Partial Credit Model Fitting Function
vcov.personpar Extract Person Parameters of Item Response Models
vcov.raschmodel Rasch Model Fitting Function
vcov.rsmodel Rating Scale Model Fitting Function
vcov.upperpar Extract Upper Asymptote Parameters of Item Response Models
VerbalAggression Situation-Response Questionnaire on Verbal Aggression

-- W --

worth Extract Worth Parameters
worth.btmodel Bradley-Terry Model Fitting Function

-- X --

xtfrm.itemresp Data Structure for Item Response Data
xtfrm.paircomp Data Structure for Paired Comparisons

-- Y --

YouthGratitude Measuring Gratitude in Youth

-- misc --

[.itemresp Subsetting Item Response Data
[.paircomp Data Structure for Paired Comparisons