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Install
install.packages('psychotools')
Monthly Downloads
2,818
Version
0.5-1
License
GPL-2 | GPL-3
Maintainer
Achim Zeileis
Last Published
January 28th, 2020
Functions in psychotools (0.5-1)
Search functions
Sim3PL
Simulated Data for fitting a 3PL and 3PLu
MemoryDeficits
Memory Deficits in Psychiatric Patients
StereotypeThreat
Stereotype Threat in Dutch Differential Aptitude Test
MathExam14W
Mathematics 101 Exam Results
ConspiracistBeliefs2016
Generic Conspiracist Beliefs Scale (2016 Data)
FirstNames
Popularity of First Names
GermanParties2009
Choice among German Political Parties
SoundQuality
Quality of Multichannel Reproduced Sound
SourceMonitoring
Performance in a Source-Monitoring Experiment
PairClustering
Pair Clustering Data in Klauer (2006)
as.list.itemresp
Coercing Item Response Data
discrpar
Extract Discrimination Parameters of Item Response Models
YouthGratitude
Measuring Gratitude in Youth
VerbalAggression
Situation-Response Questionnaire on Verbal Aggression
elementary_symmetric_functions
Calculation of the Elementary Symmetric Functions and Their Derivatives
covariates
Extract/Set Covariates
curveplot
Response Curve Plots for IRT Models
anchor
Anchor Methods for the Detection of Uniform DIF the Rasch Model
anchortest
Anchor methods for the detection of uniform DIF in the Rasch model
btmodel
Bradley-Terry Model Fitting Function
itemresp
Data Structure for Item Response Data
infoplot
Information Plots for IRT Models
mptmodel
Multinomial Processing Tree (MPT) Model Fitting Function
itempar
Extract Item Parameters of Item Response Models
mscale
Extract/Replace Measurement Scale
guesspar
Extract Guessing Parameters of Item Response Models
gpcmodel
Generalized Partial Credit Model Fitting Function
labels<-
Set Labels
pcmodel
Partial Credit Model Fitting Function
paircomp
Data Structure for Paired Comparisons
print.paircomp
Formatting Paired Comparison Data
plot.paircomp
Plotting Paired Comparison Data
personpar
Extract Person Parameters of Item Response Models
plmodel
Parametric Logistic Model Fitting Function
piplot
Person-Item Plots for IRT Models
plot.raschmodel
Visualizing IRT Models
print.itemresp
Formatting Item Response Data
predict.pcmodel
Predict Methods for Item Response Models
plot.btmodel
Visualizing Bradley-Terry Models
profileplot
Profile Plots for IRT Models
subset.itemresp
Subsetting Item Response Data
subset.paircomp
Subsetting/Reordering Paired Comparison Data
raschmodel
Rasch Model Fitting Function
rsmodel
Rating Scale Model Fitting Function
worth
Extract Worth Parameters
upperpar
Extract Upper Asymptote Parameters of Item Response Models
threshpar
Extract Threshold Parameters of Item Response Models
regionplot
Region Plots for IRT Models
summary.itemresp
Summarizing and Visualizing Item Response Data