data {spatialkernel}R Documentation

Lansing Woods Trees

Description

This is the Lansing Woods Tree data set and an arbitrary polygon boundary within unit square.

Usage

  data(lansing)
  data(polyb)

Format

lansing is an R data.frame with x, y, marks and polyb is an R matrix with x, y.

Note

The Lansing Woods tree data set and the arbitrary polygon are provided here for the demonstration of the basic usage of this package. See Section Examples in spatialkernel-package.

Source

Lansing Woods trees from Lansing Woods, Clinton County, Michigan USA, including hickories, maples, and oaks.

References

Gerrard, D.J. (1969) Competition quotient: a new measure of the competition affecting individual forest trees. Research Bulletin 20, Agricultural Experiment Station, Michigan State University.


[Package spatialkernel version 0.4-8 Index]