Bivariate (Two-Dimensional) Confidence Region and Frequency
Distribution
c(person("Arni", "Magnusson", role=c("aut","cre"), email="thisisarni@gmail.com"),
  person("Julian", "Burgos", role="aut"),
  person(c("Gregory","R."), "Warnes", role="ctb"))
graphics, grDevices, KernSmooth, MASS, sp
Generic functions to analyze the distribution of two continuous
  variables: 'conf2d' to calculate a smooth empirical confidence region, and
  'freq2d' to calculate a frequency distribution.
Arni Magnusson [aut, cre],
  Julian Burgos [aut],
  Gregory R. Warnes [ctb]