dcmdata

The goal of dcmdata is to provide easy access to data sets for use with diagnostic classification models.

Installation

You can install the released version of dcmdata from CRAN with:

install.packages("dcmdata")

And the development version from GitHub with:

# install.packages("pak")
pak::pak("r-dcm/dcmdata")

About the data

dcmdata contains both real and simulated data sets for educational and psychological assessment. For more information on each data set, see the linked reference pages.

Real data sets

• ECPE: Assessment data from the Examination for the Certificate of Proficiency in English, as described in Templin and Hoffman (2013).
• MDM: A short integer multiplication assessment, as described in MacReady and Dayton (1977).

Simulated data sets

• DTMR: A data set based on the Diagnostic Teachers’ Multiplicative Reasoning assessment, described in Bradshaw et al. (2014).

Contributions and Code of Conduct

Contributions are welcome. To ensure a smooth process, please review the Contributing Guide. Please note that the dcmdata project is released with a Contributor Code of Conduct. By contributing to this project, you agree to abide by its terms.