Functions for Kernel Smoothing Supporting Wand & Jones (1995)
c(person("Matt", "Wand", role = "aut",
	             email = "Matt.Wand@uts.edu.au"),
             person("Brian", "Ripley", role = c("trl", "cre", "ctb"),
                    email = "ripley@stats.ox.ac.uk",
		    comment = "R port and updates"))
Functions for kernel smoothing (and density estimation)
  corresponding to the book: 
  Wand, M.P. and Jones, M.C. (1995) "Kernel Smoothing".
Matt Wand [aut],
  Brian Ripley [trl, cre, ctb] (R port and updates)