Description Usage Arguments Value References See Also Examples
Evaluate Kriging standard error of prediction over a grid.
1  semat(obj, xl, xu, yl, yu, n, se)

obj 
object returned by 
xl 
limits of the rectangle for grid 
xu 

yl 

yu 

n 
use 
se 
standard error at distance zero as a multiple of the supplied covariance. Otherwise estimated, and it assumed that a correlation function was supplied. 
list with components x, y and z suitable for contour
and image
.
Ripley, B. D. (1981) Spatial Statistics. Wiley.
Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.
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