gpt

gpt is an R package to fit generalized processing tree models in R.

Installation

The package is not yet available on CRAN. To get the latest developer version from GitHub, gpt can be installed via:

# install.packages("numDeriv", "methods", "matrixStats", "statmod")
# install.packages("devtools")

devtools::install_github("danheck/gpt")

Reference

If you use gpt, please cite the package as:

• Heck, D. W., Erdfelder, E., & Kieslich, P. J. (2018). Generalized processing tree models: Jointly modeling discrete and continuous variables. Psychometrika, 83, 893–918. https://doi.org/10.1007/s11336-018-9622-0