adult_trees {GET}

Adult trees data set

Description

Adult trees data set

Usage

data("adult_trees")

Format

A data.frame containing the locations (x- and y-coordinates) of 67 trees in an area of 75 m x 75 m.

Details

A pattern of large trees (height > 25 m) originating from an uneven aged multi-species broadleaf nonmanaged forest in Kaluzhskie Zaseki, Russia.

The pattern is a sample part of data collected over 10 ha plot as a part of a research program headed by project leader Prof. O.V. Smirnova.

References

Grabarnik, P. and Chiu, S. N. (2002) Goodness-of-fit test for complete spatial randomness against mixtures of regular and clustered spatial point processes. Biometrika, 89, 411–421.

van Lieshout, M.-C. (2010) Spatial point process theory. In Handbook of Spatial Statistics (eds. A. E. Gelfand, P. J. Diggle, M. Fuentes and P. Guttorp), Handbooks of Modern Statistical Methods. Boca Raton: CRC Press.

See Also

saplings

Examples

if(require("spatstat.geom", quietly=TRUE)) {
  data("adult_trees")
  adult_trees <- as.ppp(adult_trees, W = square(75))
  plot(adult_trees)
}