.\" -*- nroff -*- generated from .Rd format
.BG
.FN Variogram
.TL
Calculate Semi-variogram
.DN
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.
.CS
Variogram(object, distance, ...)
.RT
will depend on the method function used; see the appropriate documentation.
.SH REFERENCES
Cressie, N.A.C. (1993), "Statistics for Spatial Data", J. Wiley & Sons.
.SA
`Variogram.default',`Variogram.gls',
`Variogram.lme', `plot.Variogram'
.EX
## see the method function documentation
.KW models
.WR
