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SNSequate  

Standard and Nonstandard Statistical Models and Methods for Test Equating
View on CRAN: Click here


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

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

Install by package version:
library("remotes")
install_version("SNSequate", "1.3-5")



Attach the package and use:
library("SNSequate")
Maintained by
Jorge Gonzalez
[Scholar Profile | Author Map]
First Published: 2012-06-03
Latest Update: 2022-12-20
Description:
Contains functions to perform various models and methods for test equating. It currently implements the traditional mean, linear and equipercentile equating methods. Both IRT observed-score and true-score equating are also supported, as well as the mean-mean, mean-sigma, Haebara and Stocking-Lord IRT linking methods. It also supports newest methods such that local equating, kernel equating (using Gaussian, logistic, Epanechnikov, uniform and adaptive kernels) with presmoothing, and IRT parameter linking methods based on asymmetric item characteristic functions. Functions to obtain both standard error of equating (SEE) and standard error of equating differences between two equating functions (SEED) are also implemented for the kernel method of equating.
How to cite:
Jorge Gonzalez (2012). SNSequate: Standard and Nonstandard Statistical Models and Methods for Test Equating. R package version 1.3-5, https://cran.r-project.org/web/packages/SNSequate. Accessed 21 Apr. 2025.
Previous versions and publish date:
1.0 (2012-06-03 19:27), 1.1-0 (2013-10-11 01:56), 1.1-1 (2014-08-09 07:01), 1.2.1 (2015-11-13 08:55), 1.3-4 (2022-12-20 18:30), 1.3.0 (2017-03-09 15:23), 1.3.1 (2017-09-10 18:10), 1.3.2 (2020-01-23 18:30), 1.3.3 (2020-02-23 15:50)
Other packages that cited SNSequate R package
View SNSequate citation profile
Other R packages that SNSequate depends, imports, suggests or enhances
Complete documentation for SNSequate
Functions, R codes and Examples using the SNSequate R package
Some associated functions: ACTmKB . BNP.eq . BNP.eq.predict . CBdata . KB36.1PL . KB36 . KB36_t . Math20EG . Math20SG . PREp . SEED . SEPA . SNSequate-package . bandwidth . eqp.eq . fitmeasures . irt.eq . irt.link . ker.eq . le.eq . lin.eq . loglin.smooth . mea.eq . rowBlockSum . sim_unimodal . 
Some associated R codes: BNP.eq.R . EE.R . LE.R . PREp.R . Pr.R . SEED.R . bandwidth.R . cdf.Dist.R . epan.R . eqp.eq.R . eqp.utils.R . fitmeasures.R . helperfuncs.R . iccs.R . irt.eq.R . irt.link.R . ker.eq.R . le.eq.R . lin.eq.R . loglin.smooth.R . lw.dist.R . mea.eq.R . simulate.R . target.R .  Full SNSequate package functions and examples
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