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deltaPlotR  

Identification of Dichotomous Differential Item Functioning (DIF) using Angoff's Delta Plot Method
View on CRAN: Click here


Download and install deltaPlotR package within the R console
Install from CRAN:
install.packages("deltaPlotR")

Install from Github:
library("remotes")
install_github("cran/deltaPlotR")

Install by package version:
library("remotes")
install_version("deltaPlotR", "1.9")



Attach the package and use:
library("deltaPlotR")
Maintained by
David Magis
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2012-06-01
Latest Update: 2018-03-16
Description:
The deltaPlotR package implements Angoff's Delta Plot method to detect dichotomous DIF. Several detection thresholds are included, either from multivariate normality assumption or by prior determination. Item purification is supported (Magis and Facon (2014) ).
How to cite:
David Magis (2012). deltaPlotR: Identification of Dichotomous Differential Item Functioning (DIF) using Angoff's Delta Plot Method. R package version 1.9, https://cran.r-project.org/web/packages/deltaPlotR. Accessed 29 Oct. 2026.
Previous versions and publish date:
(2026-07-09 07:31), 1.0 (2012-06-01 06:42), 1.1 (2012-08-08 14:42), 1.2 (2013-07-11 13:26), 1.3 (2013-07-22 11:23), 1.4 (2014-07-23 00:23), 1.5 (2014-11-20 11:56), 1.6 (2018-03-16 09:58)
Other packages that cited deltaPlotR R package
View deltaPlotR citation profile
Other R packages that deltaPlotR depends, imports, suggests or enhances
Complete documentation for deltaPlotR
Functions, R codes and Examples using the deltaPlotR R package
Some associated functions: adjustExtreme . deltaPlot . diagPlot . 
Some associated R codes: adjustExtreme.R . deltaPlot.R . diagPlot.R .  Full deltaPlotR package functions and examples
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