To cite PPtreeViz in publications use:
Lee E (2018). “PPtreeViz: An R Package for Visualizing Projection Pursuit Classification Trees.” Journal of Statistical Software, 83(8), 1–30. doi:10.18637/jss.v083.i08.
Corresponding BibTeX entry:
@Article{, title = {{PPtreeViz}: An {R} Package for Visualizing Projection Pursuit Classification Trees}, author = {Eun-Kyung Lee}, journal = {Journal of Statistical Software}, year = {2018}, volume = {83}, number = {8}, pages = {1--30}, doi = {10.18637/jss.v083.i08}, }