c(person("Terry", "Therneau", role = "aut",
	            email = "therneau@mayo.edu"),
             person("Beth", "Atkinson", role = c("aut", "cre"),
	            email = "atkinson@mayo.edu"),
             person("Brian", "Ripley", role = "trl",
                    email = "Brian.Ripley@R-project.org",
		    comment = "producer of the initial R port, maintainer 1999-2017"))
Recursive partitioning for classification, 
  regression and survival trees.  An implementation of most of the 
  functionality of the 1984 book by Breiman, Friedman, Olshen and Stone.
Recursive Partitioning and Regression Trees
R (>= 2.15.0), graphics, stats, grDevices
Terry Therneau [aut],
  Beth Atkinson [aut, cre],
  Brian Ripley [trl] (producer of the initial R port, maintainer
    1999-2017)