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pairwise (version 0.2.2)

Rasch Model Parameters by Pairwise Algorithm

Description

The package pairwise offers functions for the explicit calculation -- not estimation! -- of the rasch item parameters for dichotomous and polytomous item responses, using a pairwise comparison approach.

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Version

Install

install.packages('pairwise')

Monthly Downloads

819

Version

0.2.2

License

GPL-3

Maintainer

Joerg-Henrik Heine

Last Published

April 7th, 2014

Functions in pairwise (0.2.2)

make.incidenz

Converting a booklet allocation table into a incidenz matrix

bfiN_miss

5 polytomous personality items

plot.pairSE

S3 Plotting Thustonian Thresholds with SE

plot.grm

S3 Plotting Graphical Model Check

pairSE

Item Parameter calculation with Standard Errors for polytomous Partial Credit Model

pairwise

Rasch Model Parameters with pairwise

plot.pair

S3 Plotting Thustonian Thresholds

summary.pers

S3 Summary for Thetas

grm

Graphical Model Check

ptbis

Point Biserial Correlations

bfiN

5 polytomous personality items

cog

Math PISA (2003) data

cogBOOKLET

Booklet allocation table for Math PISA (2003) data

ftab

Tabulating Answer Categories in Data

esc

Expected Score Curves Plots

pair

Rasch Item Parameter (Main Function)

Category Probability Plots

pairwise.item.fit

Item Fit Indicees

DEU_PISA2012

Data from PISA 2012 - German Sample

gif

Graphical Item Fit Plots

pers

WLE - Rasch Person Parameter