Hi list members
When there is a nugget effect say c0=45, there is
a discontinuity in variogram model, so that
gamma(0) = 0 , but
gamma(0.0001) = c0 (= 45),
I wrote a function for O. Kriging, but did not now
wheter i must define g(0)=0, or g(0)=c0 in the
kriging program??
For example for the exponential semi-variogram model
we
have;
gamma(h) = c0 + c*( 1 - exp(-h/a)) if h>0
= 0 if h=0
therefore:
limmit g(h) = c0 ,when h tends to 0
while:
g(0) = 0
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