Calculate Semi-Variogram

DESCRIPTION:

This function is generic; method functions can be written to handle specific classes of objects. Classes which already have methods for this function include default, gls, and lme. See the appropriate method documentation for a description of the arguments.

USAGE:

Variogram(object, distance, ...) 

VALUE:

depends on the method function used; see the appropriate documentation.

REFERENCES:

Cressie, N.A.C. (1993). Statistics for Spatial Data. New York: J. Wiley & Sons.

SEE ALSO:

, , ,

EXAMPLES:

## see the method function documentation