Software

Bulut, O. (2021). eirm: Explanatory item response modeling for dichotomous and polytomous item responses, R package version 0.3.0. doi: 10.5281/zenodo.4556285. Available from http://CRAN.R-project.org/package=eirm. 

• • To see how the eirm package works: https://okanbulut.github.io/eirm/

Bulut, O., & Desjardins, C. D. (2018). profileR: Profile analysis of multivariate data in R [Computer software]. Available from http://CRAN.R-project.org/package=profileR.

• • To see how the profileR package works: https://cddesja.github.io/profileR/

Desjardins, C. D., & Bulut, O. (2018). hemp: Handbook of educational measurement and psychometrics using R companion package [Computer software]. Available from https://github.com/cddesja/hemp. 

Automatically update R

EAP ability estimation

MAP ability estimation

MLE ability estimation

Simulate dichotomous data for Rasch model

Simulate polytomous data for Partial Credit Model

Using R for Monte Carlo Simulations in IRT (based on Bulut and Sünbül [2017])

Shiny app for Sampling Distribution

Shiny app for Graded Response Model

Shiny app for Partial Credit Model

Shiny app for Nominal Response Model