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plink  

IRT Separate Calibration Linking Methods
View on CRAN: Click here


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

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

Install by package version:
library("remotes")
install_version("plink", "1.5-1")



Attach the package and use:
library("plink")
Maintained by
Jonathan P. Weeks
[Scholar Profile | Author Map]
First Published: 2007-09-04
Latest Update: 2017-04-26
Description:
Item response theory based methods are used to compute linking constants and conduct chain linking of unidimensional or multidimensional tests for multiple groups under a common item design. The unidimensional methods include the Mean/Mean, Mean/Sigma, Haebara, and Stocking-Lord methods for dichotomous (1PL, 2PL and 3PL) and/or polytomous (graded response, partial credit/generalized partial credit, nominal, and multiple-choice model) items. The multidimensional methods include the least squares method and extensions of the Haebara and Stocking-Lord method using single or multiple dilation parameters for multidimensional extensions of all the unidimensional dichotomous and polytomous item response models. The package also includes functions for importing item and/or ability parameters from common IRT software, conducting IRT true score and observed score equating, and plotting item response curves/surfaces, vector plots, information plots, and comparison plots for examining parameter drift.
How to cite:
Jonathan P. Weeks (2007). plink: IRT Separate Calibration Linking Methods. R package version 1.5-1, https://cran.r-project.org/web/packages/plink. Accessed 03 Apr. 2025.
Previous versions and publish date:
0.0-0 (2007-09-04 12:06), 0.0-1 (2007-09-13 18:49), 0.0-2 (2007-09-21 17:22), 0.0-3 (2007-12-02 20:34), 0.0-4 (2007-12-05 08:19), 0.0-5 (2008-09-08 08:52), 0.0-6 (2008-09-10 14:27), 0.1-0 (2008-09-28 20:25), 0.1-1 (2009-01-26 21:02), 1.0.0 (2009-04-19 20:08), 1.1-0 (2009-05-15 13:27), 1.1-1 (2009-05-28 09:13), 1.1-2 (2009-06-02 19:29), 1.1-3 (2009-06-14 21:12), 1.1-4 (2009-06-19 18:39), 1.1-5 (2009-07-26 20:33), 1.1-6 (2009-08-07 12:55), 1.2-0 (2009-08-19 10:15), 1.2-1 (2009-09-29 20:49), 1.2-2 (2009-10-23 20:07), 1.2-3 (2010-04-19 19:47), 1.2-4 (2010-07-27 00:50), 1.2-5 (2010-08-13 20:31), 1.2-6 (2010-09-15 14:06), 1.2-7 (2010-10-19 18:30), 1.3-0 (2011-02-12 14:30), 1.3-1 (2011-07-25 22:06), 1.5-0 (2017-04-07 19:05)
Other packages that cited plink R package
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Other R packages that plink depends, imports, suggests or enhances
Complete documentation for plink
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