1.
Bürgin R, Ritschard G. Coefficient-Wise Tree-Based Varying Coefficient Regression with vcrpart. J. Stat. Soft. [Internet]. 2017 Aug. 29 [cited 2024 Nov. 21];80(6):1-33. Available from: https://www.jstatsoft.org/index.php/jss/article/view/v080i06