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cdcatR  

Cognitive Diagnostic Computerized Adaptive Testing
View on CRAN: Click here


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

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

Install by package version:
library("remotes")
install_version("cdcatR", "1.0.6")



Attach the package and use:
library("cdcatR")
Maintained by
Miguel A. Sorrel
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2020-06-13
Latest Update: 2022-05-25
Description:
Provides a set of functions for conducting cognitive diagnostic computerized adaptive testing applications (Chen, 2009) ). It includes different item selection rules such us the global discrimination index (Kaplan, de la Torre, and Barrada (2015) ) and the nonparametric selection method (Chang, Chiu, and Tsai (2019) ), as well as several stopping rules. Functions for generating item banks and responses are also provided. To guide item bank calibration, model comparison at the item level can be conducted using the two-step likelihood ratio test statistic by Sorrel, de la Torre, Abad and Olea (2017) .
How to cite:
Miguel A. Sorrel (2020). cdcatR: Cognitive Diagnostic Computerized Adaptive Testing. R package version 1.0.6, https://cran.r-project.org/web/packages/cdcatR. Accessed 07 Aug. 2026.
Previous versions and publish date:
(2026-07-09 07:25), 1.0.0 (2020-06-13 16:00), 1.0.1 (2020-07-02 18:50), 1.0.2 (2020-09-09 15:50), 1.0.3 (2021-07-06 11:10), 1.0.4 (2022-03-31 18:20), 1.0.5 (2022-04-06 13:02), 1.0.6 (2022-05-25 17:10)
Other packages that cited cdcatR R package
View cdcatR citation profile
Other R packages that cdcatR depends, imports, suggests or enhances
Complete documentation for cdcatR
Functions, R codes and Examples using the cdcatR R package
Some associated functions: LR.2step . att.plot . cdcat . cdcat.summary . gen.data . gen.itembank . sim180DINA . sim180GDINA . sim180combination . 
Some associated R codes: LR.2step.R . att.plot.R . cdcat.R . cdcat.summary.R . gen.data.R . gen.itembank.R . globals.R . helper.R . sim180DINA.R . sim180GDINA.R . sim180combination.R . zzz.R .  Full cdcatR package functions and examples
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