

   CCaallccuullaattee SSeemmii--vvaarriiooggrraamm

        Variogram(object, distance, ...)

   DDeessccrriippttiioonn::

        This function is generic; method functions can be writ-
        ten 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.

   VVaalluuee::

        will depend on the method function used; see the appro-
        priate documentation.

   AAuutthhoorr((ss))::

        Jose Pinheiro and Douglas Bates

   RReeffeerreenncceess::

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

   SSeeee AAllssoo::

        `Variogram.default',`Variogram.gls', `Variogram.lme',
        `plot.Variogram'

   EExxaammpplleess::

        ## see the method function documentation

