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fourPNO  

Bayesian 4 Parameter Item Response Model
View on CRAN: Click here


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

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

Install by package version:
library("remotes")
install_version("fourPNO", "1.1.0")



Attach the package and use:
library("fourPNO")
Maintained by
Steven Andrew Culpepper
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2015-10-12
Latest Update: 2019-09-24
Description:
Estimate Barton & Lord's (1981) four parameter IRT model with lower and upper asymptotes using Bayesian formulation described by Culpepper (2016) .
How to cite:
Steven Andrew Culpepper (2015). fourPNO: Bayesian 4 Parameter Item Response Model. R package version 1.1.0, https://cran.r-project.org/web/packages/fourPNO. Accessed 07 Oct. 2026.
Previous versions and publish date:
(2026-07-09 07:39), 1.0.1 (2015-10-13 17:42), 1.0.2 (2015-11-13 08:55), 1.0.3 (2015-12-16 16:09), 1.0.4 (2017-04-26 18:26), 1.0.5 (2019-01-22 21:00), 1.0 (2015-10-12 17:34), 1.1.0 (2019-09-24 06:40)
Other packages that cited fourPNO R package
View fourPNO citation profile
Other R packages that fourPNO depends, imports, suggests or enhances
Complete documentation for fourPNO
Functions, R codes and Examples using the fourPNO R package
Some associated functions: Gibbs_2PNO . Gibbs_4PNO . Total_Tabulate . Y_4pno_simulate . fourPNO-package . min2LL_4pno . rmvnorm . 
Some associated R codes: RcppExports.R . fourPNO-package.R .  Full fourPNO package functions and examples
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