The original, full redwood dataset is supplied in the
"ppp"representing the point pattern of tree locations. The window has been rescaled to the unit square.
ppp.object for details of the format of a
point pattern object.
Ripley, B.D. (1977) Modelling spatial patterns (with discussion). Journal of the Royal Statistical Society, Series B 39, 172--212.
Strauss, D.J. (1975) A model for clustering. Biometrika 63, 467--475.