Other packages > Find by keyword >

xxIRT  

Item Response Theory and Computer-Based Testing in R
View on CRAN: Click here


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

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

Install by package version:
library("remotes")
install_version("xxIRT", "2.1.2")



Attach the package and use:
library("xxIRT")
Maintained by
Xiao Luo
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2016-08-13
Latest Update: 2019-03-22
Description:
A suite of psychometric analysis tools for research and operation, including: (1) computation of probability, information, and likelihood for the 3PL, GPCM, and GRM; (2) parameter estimation using joint or marginal likelihood estimation method; (3) simulation of computerized adaptive testing using built-in or customized algorithms; (4) assembly and simulation of multistage testing. The full documentation and tutorials are at <https://github.com/xluo11/xxIRT>.
How to cite:
Xiao Luo (2016). xxIRT: Item Response Theory and Computer-Based Testing in R. R package version 2.1.2, https://cran.r-project.org/web/packages/xxIRT. Accessed 06 Mar. 2026.
Previous versions and publish date:
1.0.1 (2016-08-13 16:53), 1.1.0 (2016-08-29 20:41), 2.0.0 (2017-01-11 00:36), 2.0.1 (2017-04-13 19:19), 2.0.3 (2017-08-30 18:12), 2.1.0 (2018-07-06 00:50), 2.1.1 (2018-10-02 20:30)
Other packages that cited xxIRT R package
View xxIRT citation profile
Other R packages that xxIRT depends, imports, suggests or enhances
Complete documentation for xxIRT
Downloads during the last 30 days

Today's Hot Picks in Authors and Packages

r2resize  
In-Text Resize for Images, Tables and Fancy Resize Containers in 'shiny', 'rmarkdown' and 'quarto' Documents
Automatic resizing toolbar for containers, images and tables. Various resizable or expandable contai ...
Download / Learn more Package Citations See dependency  
openxlsx  
Read, Write and Edit xlsx Files
Simplifies the creation of Excel .xlsx files by providing a high level interface to writing, stylin ...
Download / Learn more Package Citations See dependency  
solitude  
An Implementation of Isolation Forest
Isolation forest is anomaly detection method introduced by the paper Isolation based Anomaly Detecti ...
Download / Learn more Package Citations See dependency  
EMVS  
The Expectation-Maximization Approach to Bayesian Variable Selection
An efficient expectation-maximization algorithm for fitting Bayesian spike-and-slab regularization p ...
Download / Learn more Package Citations See dependency  
mlr3viz  
Visualizations for 'mlr3'
Visualization package of the 'mlr3' ecosystem. It features plots for mlr3 objects such as tasks, le ...
Download / Learn more Package Citations See dependency  
lbfgs  
Limited-memory BFGS Optimization
A wrapper built around the libLBFGS optimization library by Naoaki Okazaki. The lbfgs package implem ...
Download / Learn more Package Citations See dependency  

26,264

R Packages

223,360

Dependencies

70,376

Author Associations

26,265

Publication Badges

© Copyright since 2022. All right reserved, rpkg.net.  Based in Cambridge, Massachusetts, USA