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https://github.com/wenchao-ma/gdina

GDINA
https://github.com/wenchao-ma/gdina

cdm cognitive-diagnosis cran dcm dina-model dino estimation-models gdina item-response-theory psychometrics r

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GDINA

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README 

        
---

output: github_document

---



```{r, echo = FALSE}

knitr::opts_chunk$set(

  collapse = TRUE,

  comment = "#>",

  fig.path = "README-"

)

```



# GDINA Package for Cognitively Diagnostic Analyses



[![Project Status: Active ? The project has reached a stable, usable state and is being actively developed.](https://www.repostatus.org/badges/latest/active.svg)](https://www.repostatus.org/)

[![R-CMD-check](https://github.com/Wenchao-Ma/GDINA/actions/workflows/R-CMD-check.yaml/badge.svg)](https://github.com/Wenchao-Ma/GDINA/actions/workflows/R-CMD-check.yaml)

[![CRAN_Status_Badge](http://www.r-pkg.org/badges/version/GDINA)](https://cran.r-project.org/package=GDINA)

[![](https://cranlogs.r-pkg.org/badges/GDINA?color=brightgreen)](https://cran.r-project.org/package=GDINA)

[![](http://cranlogs.r-pkg.org/badges/grand-total/GDINA?color=green)](https://cran.r-project.org/package=GDINA)



## How to cite the package



Ma, W. & de la Torre, J. (2020). GDINA: An R Package for Cognitive Diagnosis Modeling. Journal of

Statistical Software, 93(14), 1-26. [https://doi.org/10.18637/jss.v093.i14](https://doi.org/10.18637/jss.v093.i14)



Visit the package website [https://wenchao-ma.github.io/GDINA/](https://wenchao-ma.github.io/GDINA/) for examples, tutorials and more information.



## Learning resources



* Watch [Ma and de la Torre's (2019) NCME digital module 5](https://ncme.elevate.commpartners.com/) on a gentle introduction to the G-DINA model framework and the use of graphical user interface for CDM analyses



* Check [the book chapter by Ma (2019)](https://doi.org/10.1007/978-3-030-05584-4_29) on an introduction to the GDINA package



* Check [de la Torre and Akbay's (2019) article](https://ejer.com.tr/) on how to conduct various CDM analyses using the graphical user interface



* Check [Shi, et al (2021)](https://doi.org/10.3390/psych3040052) on how to use this package, along with other R packages for CDM analyses



## Features of the package



*  Estimating G-DINA model and a variety of widely-used models subsumed by the G-DINA model, including the DINA model, DINO model, additive-CDM (A-CDM), linear logistic model (LLM), reduced reparametrized unified model (RRUM), multiple-strategy DINA model for dichotomous responses

*  Estimating models within the G-DINA model framework using user-specified design matrix and link functions

*  Estimating Bugs-DINA, DINO and G-DINA models for dichotomous responses

*  Estimating sequential G-DINA model for ordinal and nominal responses

*  Estimating the generalized multiple-strategy cognitive diagnosis models (experimental)

*  Estimating the diagnostic tree model (experimental)

*  Estimating multiple-choice models

*  Modelling independent, saturated, higher-order, loglinear smoothed, and structured joint attribute distribution

*  Accommodating multiple-group model analysis

*  Imposing monotonic constrained success probabilities

*  Accommodating binary and polytomous attributes

*  Validating Q-matrix under the general model framework

*  Evaluating absolute and relative item and model fit

*  Comparing models at the test and item levels

*  Detecting differential item functioning using Wald and likelihood ratio test

*  Simulating data based on all aforementioned CDMs

*  Providing graphical user interface for users less familiar with R



## Installation



The stable version of GDINA should be installed from R CRAN at [here](https://CRAN.R-project.org/package=GDINA)



To install this package from source:



1) Windows users may need to install the

   [Rtools](https://CRAN.R-project.org/bin/windows/Rtools/) and include the checkbox option of installing Rtools to their path for 

   easier command line usage. Mac users will have to

   download the necessary tools from the [Xcode](https://apps.apple.com/ca/app/xcode/id497799835?mt=12) and its

   related command line tools (found within Xcode's Preference Pane under Downloads/Components); most Linux

   distributions should already have up to date compilers (or if not they can be updated easily). 



2) Install the `devtools` package (if necessary), and install the package from the Github source code.



```{r gh-installation, eval = FALSE}

# install.packages("devtools")

devtools::install_github("Wenchao-Ma/GDINA")

```