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pairwise (version 0.6.1-0)

Rasch Model Parameters by Pairwise Algorithm

Description

Performs the explicit calculation -- not estimation! -- of the Rasch item parameters for dichotomous and polytomous item responses, using a pairwise comparison approach. Person parameters (WLE) are calculated according to Warm's weighted likelihood approach.

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Version

Install

install.packages('pairwise')

Monthly Downloads

684

Version

0.6.1-0

License

GPL-3

Maintainer

Joerg-Henrik Heine

Last Published

April 17th, 2023

Functions in pairwise (0.6.1-0)

ftab

Tabulating Answer Categories in Data
lrtest.pers

Likelihood Ratio Test for Object of class "pers"
gif

Graphical Item Fit Plots
cogBOOKLET

Booklet allocation table for Math PISA (2003) data
iff

Item information function
deltapar

Compute delta parameters from thurstonian thresholds
esc

Expected Score Curves Plots
kft5

Dichotomous example data in Rost 2004
logLik.pers

S3 logLik for Object of class "pers"
grm

Graphical Model Check
make.incidenz

Converting a booklet allocation table into a incidence matrix
pairwise.item.fit

Item Fit Indices
pairSE

Item Parameter Calculation with Standard Errors
pairwise.S

The Fischer-Scheiblechner Statistic S on item level (Wald like Test)
pers

WLE - Rasch Person Parameter
pair

Item Parameter Calculation
plot.grm

S3 Plotting Graphical Model Check
pairwise-package

Rasch Model Parameters with pairwise
q3

Q3 Fit Statistic
ptbis

Point Biserial Correlations
pairwise.SepRel

Person Separation Reliability
pairwise.person.fit

Person Fit Indices
residuals.pers

S3 residuals for Object of class "pers"
rfa

Rasch Residual Factor Analysis
simra

Simulate Response Pattern under Dichotomous and Polytomous Rasch Model
summary.rfa

S3 Summary for Rasch Factor Analysis
summary.q3

S3 Summary for Q3 Fit Statistic
summary.pairSE

S3 Summary for Item Parameter with Standard Errors
plot.pers

S3 Plotting Person - Item Map
plot.rfa

S3 Plotting Rasch Residual Factor Analysis
sim200x3

Simulated Data
summary.pairwiseSepRel

S3 Summary for Person Separation Reliability
summary.pairS

S3 Summary for S-Statistic Test (Wald Test)
plot.pair

S3 Plotting Thurstonian Thresholds
plot.pairSE

S3 Plotting Thustonian Thresholds with SE
tff

Test information function
summary.pair

S3 Summary for Item Parameter
summary.grm

S3 Summary for graphical Model Check
summary.ppfit

S3 Summary for Person-Fit-Statistics
summary.pifit

S3 Summary for Item-Fit-Statistics
summary.pers

S3 Summary for Thetas
bfiN

5 polytomous personality items
catprob

Category Probability Plots
Q

Person Fit Index Q
andersentest.pers

Andersen's Likelihood Ratio Test for Object of class "pers"
KCT

Knox Cube Test Data from Wright & Stone (1979)
cog

Math PISA (2003) data
Neoffi5

Polytomous example data in Rost 2004
bfi_cov

Covariates to the bfiN Data
bfiN_miss

5 polytomous personality items
DEU_PISA2012

Data from PISA 2012 - German Sample